<?xml version="1.0"?>
<ptm_list>
  <ptm>
    <name>Acetylation</name>
    <abbreviation>Acetyl</abbreviation>
    <unimod>1</unimod>
    <mono_mass>42.010565</mono_mass>
  </ptm>
  <ptm>
    <name>Amidation</name>
    <abbreviation>Amidated</abbreviation>
    <unimod>2</unimod>
    <mono_mass>-0.984016</mono_mass>
  </ptm>
  <ptm>
    <name>Biotinylation</name>
    <abbreviation>Biotin</abbreviation>
    <unimod>3</unimod>
    <mono_mass>226.077598</mono_mass>
  </ptm>
  <ptm>
    <name>Iodoacetamide derivative</name>
    <abbreviation>Carbamidomethyl</abbreviation>
    <unimod>4</unimod>
    <mono_mass>57.021464</mono_mass>
  </ptm>
  <ptm>
    <name>Carbamylation</name>
    <abbreviation>Carbamyl</abbreviation>
    <unimod>5</unimod>
    <mono_mass>43.005814</mono_mass>
  </ptm>
  <ptm>
    <name>Iodoacetic acid derivative</name>
    <abbreviation>Carboxymethyl</abbreviation>
    <unimod>6</unimod>
    <mono_mass>58.005479</mono_mass>
  </ptm>
  <ptm>
    <name>Deamidation</name>
    <abbreviation>Deamidated</abbreviation>
    <unimod>7</unimod>
    <mono_mass>0.984016</mono_mass>
  </ptm>
  <ptm>
    <name>Gygi ICAT(TM) d0</name>
    <abbreviation>ICAT-G</abbreviation>
    <unimod>8</unimod>
    <mono_mass>486.251206</mono_mass>
  </ptm>
  <ptm>
    <name>Gygi ICAT(TM) d8</name>
    <abbreviation>ICAT-G:2H(8)</abbreviation>
    <unimod>9</unimod>
    <mono_mass>494.301420</mono_mass>
  </ptm>
  <ptm>
    <name>Homoserine</name>
    <abbreviation>Met-&gt;Hse</abbreviation>
    <unimod>10</unimod>
    <mono_mass>-29.992806</mono_mass>
  </ptm>
  <ptm>
    <name>Homoserine lactone</name>
    <abbreviation>Met-&gt;Hsl</abbreviation>
    <unimod>11</unimod>
    <mono_mass>-48.003371</mono_mass>
  </ptm>
  <ptm>
    <name>Applied Biosystems original ICAT(TM) d8</name>
    <abbreviation>ICAT-D:2H(8)</abbreviation>
    <unimod>12</unimod>
    <mono_mass>450.275205</mono_mass>
  </ptm>
  <ptm>
    <name>Applied Biosystems original ICAT(TM) d0</name>
    <abbreviation>ICAT-D</abbreviation>
    <unimod>13</unimod>
    <mono_mass>442.224991</mono_mass>
  </ptm>
  <ptm>
    <name>N-isopropylcarboxamidomethyl</name>
    <abbreviation>NIPCAM</abbreviation>
    <unimod>17</unimod>
    <mono_mass>99.068414</mono_mass>
  </ptm>
  <ptm>
    <name>Biotinyl-iodoacetamidyl-3,6-dioxaoctanediamine</name>
    <abbreviation>PEO-Iodoacetyl-LC-Biotin</abbreviation>
    <unimod>20</unimod>
    <mono_mass>414.193691</mono_mass>
  </ptm>
  <ptm>
    <name>Phosphorylation</name>
    <abbreviation>Phospho</abbreviation>
    <unimod>21</unimod>
    <mono_mass>79.966331</mono_mass>
  </ptm>
  <ptm>
    <name>Dehydration</name>
    <abbreviation>Dehydrated</abbreviation>
    <unimod>23</unimod>
    <mono_mass>-18.010565</mono_mass>
  </ptm>
  <ptm>
    <name>Acrylamide adduct</name>
    <abbreviation>Propionamide</abbreviation>
    <unimod>24</unimod>
    <mono_mass>71.037114</mono_mass>
  </ptm>
  <ptm>
    <name>pyridylacetyl</name>
    <abbreviation>Pyridylacetyl</abbreviation>
    <unimod>25</unimod>
    <mono_mass>119.037114</mono_mass>
  </ptm>
  <ptm>
    <name>S-carbamoylmethylcysteine cyclization (N-terminus)</name>
    <abbreviation>Pyro-carbamidomethyl</abbreviation>
    <unimod>26</unimod>
    <mono_mass>39.994915</mono_mass>
  </ptm>
  <ptm>
    <name>Pyro-glu from E</name>
    <abbreviation>Glu-&gt;pyro-Glu</abbreviation>
    <unimod>27</unimod>
    <mono_mass>-18.010565</mono_mass>
  </ptm>
  <ptm>
    <name>Pyro-glu from Q</name>
    <abbreviation>Gln-&gt;pyro-Glu</abbreviation>
    <unimod>28</unimod>
    <mono_mass>-17.026549</mono_mass>
  </ptm>
  <ptm>
    <name>N-Succinimidyl-2-morpholine acetate</name>
    <abbreviation>SMA</abbreviation>
    <unimod>29</unimod>
    <mono_mass>127.063329</mono_mass>
  </ptm>
  <ptm>
    <name>Sodium adduct</name>
    <abbreviation>Cation:Na</abbreviation>
    <unimod>30</unimod>
    <mono_mass>21.981943</mono_mass>
  </ptm>
  <ptm>
    <name>S-pyridylethylation</name>
    <abbreviation>Pyridylethyl</abbreviation>
    <unimod>31</unimod>
    <mono_mass>105.057849</mono_mass>
  </ptm>
  <ptm>
    <name>Methylation</name>
    <abbreviation>Methyl</abbreviation>
    <unimod>34</unimod>
    <mono_mass>14.015650</mono_mass>
  </ptm>
  <ptm>
    <name>Oxidation or Hydroxylation</name>
    <abbreviation>Oxidation</abbreviation>
    <unimod>35</unimod>
    <mono_mass>15.994915</mono_mass>
  </ptm>
  <ptm>
    <name>di-Methylation</name>
    <abbreviation>Dimethyl</abbreviation>
    <unimod>36</unimod>
    <mono_mass>28.031300</mono_mass>
  </ptm>
  <ptm>
    <name>tri-Methylation</name>
    <abbreviation>Trimethyl</abbreviation>
    <unimod>37</unimod>
    <mono_mass>42.046950</mono_mass>
  </ptm>
  <ptm>
    <name>Beta-methylthiolation</name>
    <abbreviation>Methylthio</abbreviation>
    <unimod>39</unimod>
    <mono_mass>45.987721</mono_mass>
  </ptm>
  <ptm>
    <name>O-Sulfonation</name>
    <abbreviation>Sulfo</abbreviation>
    <unimod>40</unimod>
    <mono_mass>79.956815</mono_mass>
  </ptm>
  <ptm>
    <name>Hexose</name>
    <abbreviation>Hex</abbreviation>
    <unimod>41</unimod>
    <mono_mass>162.052824</mono_mass>
  </ptm>
  <ptm>
    <name>Lipoyl</name>
    <abbreviation>Lipoyl</abbreviation>
    <unimod>42</unimod>
    <mono_mass>188.032956</mono_mass>
  </ptm>
  <ptm>
    <name>N-Acetylhexosamine</name>
    <abbreviation>HexNAc</abbreviation>
    <unimod>43</unimod>
    <mono_mass>203.079373</mono_mass>
  </ptm>
  <ptm>
    <name>Farnesylation</name>
    <abbreviation>Farnesyl</abbreviation>
    <unimod>44</unimod>
    <mono_mass>204.187801</mono_mass>
  </ptm>
  <ptm>
    <name>Myristoylation</name>
    <abbreviation>Myristoyl</abbreviation>
    <unimod>45</unimod>
    <mono_mass>210.198366</mono_mass>
  </ptm>
  <ptm>
    <name>Pyridoxal phosphate</name>
    <abbreviation>PyridoxalPhosphate</abbreviation>
    <unimod>46</unimod>
    <mono_mass>229.014009</mono_mass>
  </ptm>
  <ptm>
    <name>Palmitoylation</name>
    <abbreviation>Palmitoyl</abbreviation>
    <unimod>47</unimod>
    <mono_mass>238.229666</mono_mass>
  </ptm>
  <ptm>
    <name>Geranyl-geranyl</name>
    <abbreviation>GeranylGeranyl</abbreviation>
    <unimod>48</unimod>
    <mono_mass>272.250401</mono_mass>
  </ptm>
  <ptm>
    <name>Phosphopantetheine</name>
    <abbreviation>Phosphopantetheine</abbreviation>
    <unimod>49</unimod>
    <mono_mass>340.085794</mono_mass>
  </ptm>
  <ptm>
    <name>Flavin adenine dinucleotide</name>
    <abbreviation>FAD</abbreviation>
    <unimod>50</unimod>
    <mono_mass>783.141486</mono_mass>
  </ptm>
  <ptm>
    <name>N-acyl diglyceride cysteine</name>
    <abbreviation>Tripalmitate</abbreviation>
    <unimod>51</unimod>
    <mono_mass>788.725777</mono_mass>
  </ptm>
  <ptm>
    <name>Guanidination</name>
    <abbreviation>Guanidinyl</abbreviation>
    <unimod>52</unimod>
    <mono_mass>42.021798</mono_mass>
  </ptm>
  <ptm>
    <name>4-hydroxynonenal (HNE)</name>
    <abbreviation>HNE</abbreviation>
    <unimod>53</unimod>
    <mono_mass>156.115030</mono_mass>
  </ptm>
  <ptm>
    <name>hexuronic acid</name>
    <abbreviation>Glucuronyl</abbreviation>
    <unimod>54</unimod>
    <mono_mass>176.032088</mono_mass>
  </ptm>
  <ptm>
    <name>glutathione disulfide</name>
    <abbreviation>Glutathione</abbreviation>
    <unimod>55</unimod>
    <mono_mass>305.068156</mono_mass>
  </ptm>
  <ptm>
    <name>Acetate labeling reagent (N-term &amp; K) (heavy form, +3amu)</name>
    <abbreviation>Acetyl:2H(3)</abbreviation>
    <unimod>56</unimod>
    <mono_mass>45.029395</mono_mass>
  </ptm>
  <ptm>
    <name>Propionate labeling reagent light form (N-term &amp; K)</name>
    <abbreviation>Propionyl</abbreviation>
    <unimod>58</unimod>
    <mono_mass>56.026215</mono_mass>
  </ptm>
  <ptm>
    <name>Propionate labeling reagent heavy form (+3amu), N-term &amp; K</name>
    <abbreviation>Propionyl:13C(3)</abbreviation>
    <unimod>59</unimod>
    <mono_mass>59.036279</mono_mass>
  </ptm>
  <ptm>
    <name>Quaternary amine labeling reagent light form (N-term &amp; K)</name>
    <abbreviation>GIST-Quat</abbreviation>
    <unimod>60</unimod>
    <mono_mass>127.099714</mono_mass>
  </ptm>
  <ptm>
    <name>Quaternary amine labeling reagent heavy (+3amu) form, N-term &amp; K</name>
    <abbreviation>GIST-Quat:2H(3)</abbreviation>
    <unimod>61</unimod>
    <mono_mass>130.118544</mono_mass>
  </ptm>
  <ptm>
    <name>Quaternary amine labeling reagent heavy form (+6amu), N-term &amp; K</name>
    <abbreviation>GIST-Quat:2H(6)</abbreviation>
    <unimod>62</unimod>
    <mono_mass>133.137375</mono_mass>
  </ptm>
  <ptm>
    <name>Quaternary amine labeling reagent heavy form (+9amu), N-term &amp; K</name>
    <abbreviation>GIST-Quat:2H(9)</abbreviation>
    <unimod>63</unimod>
    <mono_mass>136.156205</mono_mass>
  </ptm>
  <ptm>
    <name>Succinic anhydride labeling reagent light form (N-term &amp; K)</name>
    <abbreviation>Succinyl</abbreviation>
    <unimod>64</unimod>
    <mono_mass>100.016044</mono_mass>
  </ptm>
  <ptm>
    <name>Succinic anhydride labeling reagent, heavy form (+4amu, 4H2), N-term &amp; K</name>
    <abbreviation>Succinyl:2H(4)</abbreviation>
    <unimod>65</unimod>
    <mono_mass>104.041151</mono_mass>
  </ptm>
  <ptm>
    <name>Succinic anhydride labeling reagent, heavy form (+4amu, 4C13), N-term &amp; K</name>
    <abbreviation>Succinyl:13C(4)</abbreviation>
    <unimod>66</unimod>
    <mono_mass>104.029463</mono_mass>
  </ptm>
  <ptm>
    <name>oxidized proline biotinylated with biotin hydrazide</name>
    <abbreviation>probiotinhydrazide</abbreviation>
    <unimod>357</unimod>
    <mono_mass>258.115047</mono_mass>
  </ptm>
  <ptm>
    <name>proline oxidation to pyroglutamic acid</name>
    <abbreviation>Pro-&gt;pyro-Glu</abbreviation>
    <unimod>359</unimod>
    <mono_mass>13.979265</mono_mass>
  </ptm>
  <ptm>
    <name>His-&gt;Asn substitution</name>
    <abbreviation>His-&gt;Asn</abbreviation>
    <unimod>348</unimod>
    <mono_mass>-23.015984</mono_mass>
  </ptm>
  <ptm>
    <name>His-&gt;Asp substitution</name>
    <abbreviation>His-&gt;Asp</abbreviation>
    <unimod>349</unimod>
    <mono_mass>-22.031969</mono_mass>
  </ptm>
  <ptm>
    <name>tryptophan oxidation to hydroxykynurenin</name>
    <abbreviation>Trp-&gt;Hydroxykynurenin</abbreviation>
    <unimod>350</unimod>
    <mono_mass>19.989829</mono_mass>
  </ptm>
  <ptm>
    <name>Propionaldehyde +40</name>
    <abbreviation>Delta:H(4)C(3)</abbreviation>
    <unimod>256</unimod>
    <mono_mass>40.031300</mono_mass>
  </ptm>
  <ptm>
    <name>Acetaldehyde +28</name>
    <abbreviation>Delta:H(4)C(2)</abbreviation>
    <unimod>255</unimod>
    <mono_mass>28.031300</mono_mass>
  </ptm>
  <ptm>
    <name>Dehydroalanine (from Cysteine)</name>
    <abbreviation>Cys-&gt;Dha</abbreviation>
    <unimod>368</unimod>
    <mono_mass>-33.987721</mono_mass>
  </ptm>
  <ptm>
    <name>Arginine oxidation to glutamic semialdehyde</name>
    <abbreviation>Arg-&gt;GluSA</abbreviation>
    <unimod>344</unimod>
    <mono_mass>-43.053433</mono_mass>
  </ptm>
  <ptm>
    <name>cysteine oxidation to cysteic acid</name>
    <abbreviation>Trioxidation</abbreviation>
    <unimod>345</unimod>
    <mono_mass>47.984744</mono_mass>
  </ptm>
  <ptm>
    <name>Iminobiotinylation</name>
    <abbreviation>Iminobiotin</abbreviation>
    <unimod>89</unimod>
    <mono_mass>225.093583</mono_mass>
  </ptm>
  <ptm>
    <name>ESP-Tag light d0</name>
    <abbreviation>ESP</abbreviation>
    <unimod>90</unimod>
    <mono_mass>338.177647</mono_mass>
  </ptm>
  <ptm>
    <name>ESP-Tag heavy d10</name>
    <abbreviation>ESP:2H(10)</abbreviation>
    <unimod>91</unimod>
    <mono_mass>348.240414</mono_mass>
  </ptm>
  <ptm>
    <name>NHS-LC-Biotin</name>
    <abbreviation>NHS-LC-Biotin</abbreviation>
    <unimod>92</unimod>
    <mono_mass>339.161662</mono_mass>
  </ptm>
  <ptm>
    <name>EDT-maleimide-PEO-biotin</name>
    <abbreviation>EDT-maleimide-PEO-biotin</abbreviation>
    <unimod>93</unimod>
    <mono_mass>601.206246</mono_mass>
  </ptm>
  <ptm>
    <name>IMID d0</name>
    <abbreviation>IMID</abbreviation>
    <unimod>94</unimod>
    <mono_mass>68.037448</mono_mass>
  </ptm>
  <ptm>
    <name>IMID d4</name>
    <abbreviation>IMID:2H(4)</abbreviation>
    <unimod>95</unimod>
    <mono_mass>72.062555</mono_mass>
  </ptm>
  <ptm>
    <name>oxidized Lysine biotinylated with biotin hydrazide</name>
    <abbreviation>Lysbiotinhydrazide</abbreviation>
    <unimod>353</unimod>
    <mono_mass>241.088497</mono_mass>
  </ptm>
  <ptm>
    <name>Acrylamide d3</name>
    <abbreviation>Propionamide:2H(3)</abbreviation>
    <unimod>97</unimod>
    <mono_mass>74.055944</mono_mass>
  </ptm>
  <ptm>
    <name>Oxidation to nitro</name>
    <abbreviation>Nitro</abbreviation>
    <unimod>354</unimod>
    <mono_mass>44.985078</mono_mass>
  </ptm>
  <ptm>
    <name>Applied Biosystems cleavable ICAT(TM) light</name>
    <abbreviation>ICAT-C</abbreviation>
    <unimod>105</unimod>
    <mono_mass>227.126991</mono_mass>
  </ptm>
  <ptm>
    <name>Acetaldehyde +26</name>
    <abbreviation>Delta:H(2)C(2)</abbreviation>
    <unimod>254</unimod>
    <mono_mass>26.015650</mono_mass>
  </ptm>
  <ptm>
    <name>tryptophan oxidation to kynurenin</name>
    <abbreviation>Trp-&gt;Kynurenin</abbreviation>
    <unimod>351</unimod>
    <mono_mass>3.994915</mono_mass>
  </ptm>
  <ptm>
    <name>Lysine oxidation to aminoadipic semialdehyde</name>
    <abbreviation>Lys-&gt;Allysine</abbreviation>
    <unimod>352</unimod>
    <mono_mass>-1.031634</mono_mass>
  </ptm>
  <ptm>
    <name>Applied Biosystems cleavable ICAT(TM) heavy</name>
    <abbreviation>ICAT-C:13C(9)</abbreviation>
    <unimod>106</unimod>
    <mono_mass>236.157185</mono_mass>
  </ptm>
  <ptm>
    <name>Addition of N-formyl met</name>
    <abbreviation>FormylMet</abbreviation>
    <unimod>107</unimod>
    <mono_mass>159.035399</mono_mass>
  </ptm>
  <ptm>
    <name>N-ethylmaleimide on cysteines</name>
    <abbreviation>Nethylmaleimide</abbreviation>
    <unimod>108</unimod>
    <mono_mass>125.047679</mono_mass>
  </ptm>
  <ptm>
    <name>Oxidized lysine biotinylated with biotin-LC-hydrazide, reduced</name>
    <abbreviation>OxLysBiotinRed</abbreviation>
    <unimod>112</unimod>
    <mono_mass>354.172562</mono_mass>
  </ptm>
  <ptm>
    <name>Thio Ether Formation - BTP Adduct</name>
    <abbreviation>IBTP</abbreviation>
    <unimod>119</unimod>
    <mono_mass>316.138088</mono_mass>
  </ptm>
  <ptm>
    <name>Oxidized lysine biotinylated with biotin-LC-hydrazide</name>
    <abbreviation>OxLysBiotin</abbreviation>
    <unimod>113</unimod>
    <mono_mass>352.156911</mono_mass>
  </ptm>
  <ptm>
    <name>Oxidized proline biotinylated with biotin-LC-hydrazide, reduced</name>
    <abbreviation>OxProBiotinRed</abbreviation>
    <unimod>114</unimod>
    <mono_mass>371.199111</mono_mass>
  </ptm>
  <ptm>
    <name>Oxidized Proline biotinylated with biotin-LC-hydrazide</name>
    <abbreviation>OxProBiotin</abbreviation>
    <unimod>115</unimod>
    <mono_mass>369.183461</mono_mass>
  </ptm>
  <ptm>
    <name>Oxidized arginine biotinylated with biotin-LC-hydrazide</name>
    <abbreviation>OxArgBiotin</abbreviation>
    <unimod>116</unimod>
    <mono_mass>310.135113</mono_mass>
  </ptm>
  <ptm>
    <name>Oxidized arginine biotinylated with biotin-LC-hydrazide, reduced</name>
    <abbreviation>OxArgBiotinRed</abbreviation>
    <unimod>117</unimod>
    <mono_mass>312.150763</mono_mass>
  </ptm>
  <ptm>
    <name>EDT-iodo-PEO-biotin</name>
    <abbreviation>EDT-iodoacetyl-PEO-biotin</abbreviation>
    <unimod>118</unimod>
    <mono_mass>490.174218</mono_mass>
  </ptm>
  <ptm>
    <name>ubiquitinylation residue</name>
    <abbreviation>GG</abbreviation>
    <unimod>121</unimod>
    <mono_mass>114.042927</mono_mass>
  </ptm>
  <ptm>
    <name>Formylation</name>
    <abbreviation>Formyl</abbreviation>
    <unimod>122</unimod>
    <mono_mass>27.994915</mono_mass>
  </ptm>
  <ptm>
    <name>N-iodoacetyl, p-chlorobenzyl-12C6-glucamine</name>
    <abbreviation>ICAT-H</abbreviation>
    <unimod>123</unimod>
    <mono_mass>345.097915</mono_mass>
  </ptm>
  <ptm>
    <name>N-iodoacetyl, p-chlorobenzyl-13C6-glucamine</name>
    <abbreviation>ICAT-H:13C(6)</abbreviation>
    <unimod>124</unimod>
    <mono_mass>351.118044</mono_mass>
  </ptm>
  <ptm>
    <name>Replacement of proton by potassium</name>
    <abbreviation>Cation:K</abbreviation>
    <unimod>530</unimod>
    <mono_mass>37.955882</mono_mass>
  </ptm>
  <ptm>
    <name>3-sulfanylpropanoyl</name>
    <abbreviation>Thioacyl</abbreviation>
    <unimod>126</unimod>
    <mono_mass>87.998285</mono_mass>
  </ptm>
  <ptm>
    <name>fluorination</name>
    <abbreviation>Fluoro</abbreviation>
    <unimod>127</unimod>
    <mono_mass>17.990578</mono_mass>
  </ptm>
  <ptm>
    <name>5-Iodoacetamidofluorescein (Molecular Probe, Eugene, OR)</name>
    <abbreviation>Fluorescein</abbreviation>
    <unimod>128</unimod>
    <mono_mass>388.082112</mono_mass>
  </ptm>
  <ptm>
    <name>Iodination</name>
    <abbreviation>Iodo</abbreviation>
    <unimod>129</unimod>
    <mono_mass>125.896648</mono_mass>
  </ptm>
  <ptm>
    <name>di-Iodination</name>
    <abbreviation>Diiodo</abbreviation>
    <unimod>130</unimod>
    <mono_mass>251.793296</mono_mass>
  </ptm>
  <ptm>
    <name>tri-Iodination</name>
    <abbreviation>Triiodo</abbreviation>
    <unimod>131</unimod>
    <mono_mass>377.689944</mono_mass>
  </ptm>
  <ptm>
    <name>(cis-delta 5)-tetradecaenoyl</name>
    <abbreviation>Myristoleyl</abbreviation>
    <unimod>134</unimod>
    <mono_mass>208.182715</mono_mass>
  </ptm>
  <ptm>
    <name>Proline oxidation to pyrrolidinone</name>
    <abbreviation>Pro-&gt;Pyrrolidinone</abbreviation>
    <unimod>360</unimod>
    <mono_mass>-30.010565</mono_mass>
  </ptm>
  <ptm>
    <name>(cis,cis-delta 5, delta 8)-tetradecadienoyl</name>
    <abbreviation>Myristoyl+Delta:H(-4)</abbreviation>
    <unimod>135</unimod>
    <mono_mass>206.167065</mono_mass>
  </ptm>
  <ptm>
    <name>labeling reagent light form (N-term &amp; K)</name>
    <abbreviation>Benzoyl</abbreviation>
    <unimod>136</unimod>
    <mono_mass>104.026215</mono_mass>
  </ptm>
  <ptm>
    <name>N-linked glycan core</name>
    <abbreviation>Hex(5)HexNAc(2)</abbreviation>
    <unimod>137</unimod>
    <mono_mass>1216.422863</mono_mass>
  </ptm>
  <ptm>
    <name>5-dimethylaminonaphthalene-1-sulfonyl</name>
    <abbreviation>Dansyl</abbreviation>
    <unimod>139</unimod>
    <mono_mass>233.051049</mono_mass>
  </ptm>
  <ptm>
    <name>ISD a-series (C-Term)</name>
    <abbreviation>a-type-ion</abbreviation>
    <unimod>140</unimod>
    <mono_mass>-46.005479</mono_mass>
  </ptm>
  <ptm>
    <name>amidination of lysines or N-terminal amines with methyl acetimidate</name>
    <abbreviation>Amidine</abbreviation>
    <unimod>141</unimod>
    <mono_mass>41.026549</mono_mass>
  </ptm>
  <ptm>
    <name>HexNAc1dHex1</name>
    <abbreviation>HexNAc(1)dHex(1)</abbreviation>
    <unimod>142</unimod>
    <mono_mass>349.137281</mono_mass>
  </ptm>
  <ptm>
    <name>HexNAc2</name>
    <abbreviation>HexNAc(2)</abbreviation>
    <unimod>143</unimod>
    <mono_mass>406.158745</mono_mass>
  </ptm>
  <ptm>
    <name>Hex3</name>
    <abbreviation>Hex(3)</abbreviation>
    <unimod>144</unimod>
    <mono_mass>486.158471</mono_mass>
  </ptm>
  <ptm>
    <name>HexNAc1dHex2</name>
    <abbreviation>HexNAc(1)dHex(2)</abbreviation>
    <unimod>145</unimod>
    <mono_mass>495.195190</mono_mass>
  </ptm>
  <ptm>
    <name>Hex1HexNAc1dHex1</name>
    <abbreviation>Hex(1)HexNAc(1)dHex(1)</abbreviation>
    <unimod>146</unimod>
    <mono_mass>511.190105</mono_mass>
  </ptm>
  <ptm>
    <name>HexNAc2dHex1</name>
    <abbreviation>HexNAc(2)dHex(1)</abbreviation>
    <unimod>147</unimod>
    <mono_mass>552.216654</mono_mass>
  </ptm>
  <ptm>
    <name>Hex1HexNAc2</name>
    <abbreviation>Hex(1)HexNAc(2)</abbreviation>
    <unimod>148</unimod>
    <mono_mass>568.211569</mono_mass>
  </ptm>
  <ptm>
    <name>Hex1HexNAc1NeuAc1</name>
    <abbreviation>Hex(1)HexNAc(1)NeuAc(1)</abbreviation>
    <unimod>149</unimod>
    <mono_mass>656.227613</mono_mass>
  </ptm>
  <ptm>
    <name>HexNAc2dHex2</name>
    <abbreviation>HexNAc(2)dHex(2)</abbreviation>
    <unimod>150</unimod>
    <mono_mass>698.274563</mono_mass>
  </ptm>
  <ptm>
    <name>Hex1HexNAc2Pent1</name>
    <abbreviation>Hex(1)HexNAc(2)Pent(1)</abbreviation>
    <unimod>151</unimod>
    <mono_mass>700.253828</mono_mass>
  </ptm>
  <ptm>
    <name>Hex1HexNAc2dHex1</name>
    <abbreviation>Hex(1)HexNAc(2)dHex(1)</abbreviation>
    <unimod>152</unimod>
    <mono_mass>714.269478</mono_mass>
  </ptm>
  <ptm>
    <name>Hex2HexNAc2</name>
    <abbreviation>Hex(2)HexNAc(2)</abbreviation>
    <unimod>153</unimod>
    <mono_mass>730.264392</mono_mass>
  </ptm>
  <ptm>
    <name>Hex3HexNAc1Pent1</name>
    <abbreviation>Hex(3)HexNAc(1)Pent(1)</abbreviation>
    <unimod>154</unimod>
    <mono_mass>821.280102</mono_mass>
  </ptm>
  <ptm>
    <name>Hex1HexNAc2dHex1Pent1</name>
    <abbreviation>Hex(1)HexNAc(2)dHex(1)Pent(1)</abbreviation>
    <unimod>155</unimod>
    <mono_mass>846.311736</mono_mass>
  </ptm>
  <ptm>
    <name>Hex1HexNAc2dHex2</name>
    <abbreviation>Hex(1)HexNAc(2)dHex(2)</abbreviation>
    <unimod>156</unimod>
    <mono_mass>860.327386</mono_mass>
  </ptm>
  <ptm>
    <name>Hex2HexNAc2Pent1</name>
    <abbreviation>Hex(2)HexNAc(2)Pent(1)</abbreviation>
    <unimod>157</unimod>
    <mono_mass>862.306651</mono_mass>
  </ptm>
  <ptm>
    <name>Hex2HexNAc2dHex1</name>
    <abbreviation>Hex(2)HexNAc(2)dHex(1)</abbreviation>
    <unimod>158</unimod>
    <mono_mass>876.322301</mono_mass>
  </ptm>
  <ptm>
    <name>Hex3HexNAc2</name>
    <abbreviation>Hex(3)HexNAc(2)</abbreviation>
    <unimod>159</unimod>
    <mono_mass>892.317216</mono_mass>
  </ptm>
  <ptm>
    <name>Hex1HexNAc1NeuAc2</name>
    <abbreviation>Hex(1)HexNAc(1)NeuAc(2)</abbreviation>
    <unimod>160</unimod>
    <mono_mass>947.323029</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(2) Phos</name>
    <abbreviation>Hex(3)HexNAc(2)Phos(1)</abbreviation>
    <unimod>161</unimod>
    <mono_mass>972.283547</mono_mass>
  </ptm>
  <ptm>
    <name>Selenium replaces sulfur</name>
    <abbreviation>Delta:S(-1)Se(1)</abbreviation>
    <unimod>162</unimod>
    <mono_mass>47.944449</mono_mass>
  </ptm>
  <ptm>
    <name>Shimadzu NBS-13C</name>
    <abbreviation>NBS:13C(6)</abbreviation>
    <unimod>171</unimod>
    <mono_mass>159.008578</mono_mass>
  </ptm>
  <ptm>
    <name>monomethylation</name>
    <abbreviation>Methyl:2H(3)13C(1)</abbreviation>
    <unimod>329</unimod>
    <mono_mass>18.037835</mono_mass>
  </ptm>
  <ptm>
    <name>dimethylation</name>
    <abbreviation>Dimethyl:2H(6)13C(2)</abbreviation>
    <unimod>330</unimod>
    <mono_mass>36.075670</mono_mass>
  </ptm>
  <ptm>
    <name>Shimadzu NBS-12C</name>
    <abbreviation>NBS</abbreviation>
    <unimod>172</unimod>
    <mono_mass>152.988449</mono_mass>
  </ptm>
  <ptm>
    <name>glycosylated asparagine 18O labeling</name>
    <abbreviation>Delta:H(1)N(-1)18O(1)</abbreviation>
    <unimod>170</unimod>
    <mono_mass>2.988261</mono_mass>
  </ptm>
  <ptm>
    <name>APTA-d0</name>
    <abbreviation>QAT</abbreviation>
    <unimod>195</unimod>
    <mono_mass>171.149738</mono_mass>
  </ptm>
  <ptm>
    <name>Michael addition of BHT quinone methide to Cysteine and Lysine</name>
    <abbreviation>BHT</abbreviation>
    <unimod>176</unimod>
    <mono_mass>218.167065</mono_mass>
  </ptm>
  <ptm>
    <name>S-Ethylcystine from Serine</name>
    <abbreviation>Delta:H(4)C(2)O(-1)S(1)</abbreviation>
    <unimod>327</unimod>
    <mono_mass>44.008456</mono_mass>
  </ptm>
  <ptm>
    <name>phosphorylation to amine thiol</name>
    <abbreviation>DAET</abbreviation>
    <unimod>178</unimod>
    <mono_mass>87.050655</mono_mass>
  </ptm>
  <ptm>
    <name>Pyrrolidone from Proline</name>
    <abbreviation>Pro-&gt;Pyrrolidone</abbreviation>
    <unimod>369</unimod>
    <mono_mass>-27.994915</mono_mass>
  </ptm>
  <ptm>
    <name>13C(9) Silac label</name>
    <abbreviation>Label:13C(9)</abbreviation>
    <unimod>184</unimod>
    <mono_mass>9.030193</mono_mass>
  </ptm>
  <ptm>
    <name>C13 label (Phosphotyrosine)</name>
    <abbreviation>Label:13C(9)+Phospho</abbreviation>
    <unimod>185</unimod>
    <mono_mass>88.996524</mono_mass>
  </ptm>
  <ptm>
    <name>13C(6) Silac label</name>
    <abbreviation>Label:13C(6)</abbreviation>
    <unimod>188</unimod>
    <mono_mass>6.020129</mono_mass>
  </ptm>
  <ptm>
    <name>Hydroxyphenylglyoxal arginine</name>
    <abbreviation>HPG</abbreviation>
    <unimod>186</unimod>
    <mono_mass>132.021129</mono_mass>
  </ptm>
  <ptm>
    <name>bis(hydroxphenylglyoxal) arginine</name>
    <abbreviation>2HPG</abbreviation>
    <unimod>187</unimod>
    <mono_mass>282.052824</mono_mass>
  </ptm>
  <ptm>
    <name>APTA d3</name>
    <abbreviation>QAT:2H(3)</abbreviation>
    <unimod>196</unimod>
    <mono_mass>174.168569</mono_mass>
  </ptm>
  <ptm>
    <name>O18 label at both C-terminal oxygens</name>
    <abbreviation>Label:18O(2)</abbreviation>
    <unimod>193</unimod>
    <mono_mass>4.008491</mono_mass>
  </ptm>
  <ptm>
    <name>6-aminoquinolyl-N-hydroxysuccinimidyl carbamate</name>
    <abbreviation>AccQTag</abbreviation>
    <unimod>194</unimod>
    <mono_mass>170.048013</mono_mass>
  </ptm>
  <ptm>
    <name>DiMethyl-CHD2</name>
    <abbreviation>Dimethyl:2H(4)</abbreviation>
    <unimod>199</unimod>
    <mono_mass>32.056407</mono_mass>
  </ptm>
  <ptm>
    <name>EAPTA d0</name>
    <abbreviation>EQAT</abbreviation>
    <unimod>197</unimod>
    <mono_mass>184.157563</mono_mass>
  </ptm>
  <ptm>
    <name>EAPTA d5</name>
    <abbreviation>EQAT:2H(5)</abbreviation>
    <unimod>198</unimod>
    <mono_mass>189.188947</mono_mass>
  </ptm>
  <ptm>
    <name>EDT</name>
    <abbreviation>Ethanedithiol</abbreviation>
    <unimod>200</unimod>
    <mono_mass>75.980527</mono_mass>
  </ptm>
  <ptm>
    <name>N-ethyl iodoacetamide-d5</name>
    <abbreviation>NEIAA:2H(5)</abbreviation>
    <unimod>212</unimod>
    <mono_mass>90.084148</mono_mass>
  </ptm>
  <ptm>
    <name>Acrolein addition +94</name>
    <abbreviation>Delta:H(6)C(6)O(1)</abbreviation>
    <unimod>205</unimod>
    <mono_mass>94.041865</mono_mass>
  </ptm>
  <ptm>
    <name>Acrolein addition +56</name>
    <abbreviation>Delta:H(4)C(3)O(1)</abbreviation>
    <unimod>206</unimod>
    <mono_mass>56.026215</mono_mass>
  </ptm>
  <ptm>
    <name>Acrolein addition +38</name>
    <abbreviation>Delta:H(2)C(3)</abbreviation>
    <unimod>207</unimod>
    <mono_mass>38.015650</mono_mass>
  </ptm>
  <ptm>
    <name>Acrolein addition +76</name>
    <abbreviation>Delta:H(4)C(6)</abbreviation>
    <unimod>208</unimod>
    <mono_mass>76.031300</mono_mass>
  </ptm>
  <ptm>
    <name>Acrolein addition +112</name>
    <abbreviation>Delta:H(8)C(6)O(2)</abbreviation>
    <unimod>209</unimod>
    <mono_mass>112.052430</mono_mass>
  </ptm>
  <ptm>
    <name>ADP  Ribose addition</name>
    <abbreviation>ADP-Ribosyl</abbreviation>
    <unimod>213</unimod>
    <mono_mass>541.061110</mono_mass>
  </ptm>
  <ptm>
    <name>N-ethyl iodoacetamide-d0</name>
    <abbreviation>NEIAA</abbreviation>
    <unimod>211</unimod>
    <mono_mass>85.052764</mono_mass>
  </ptm>
  <ptm>
    <name>Representative mass and accurate mass for 116 &amp; 117</name>
    <abbreviation>iTRAQ4plex</abbreviation>
    <unimod>214</unimod>
    <mono_mass>144.102063</mono_mass>
  </ptm>
  <ptm>
    <name>Crotonaldehyde</name>
    <abbreviation>Crotonaldehyde</abbreviation>
    <unimod>253</unimod>
    <mono_mass>70.041865</mono_mass>
  </ptm>
  <ptm>
    <name>bromination</name>
    <abbreviation>Bromo</abbreviation>
    <unimod>340</unimod>
    <mono_mass>77.910511</mono_mass>
  </ptm>
  <ptm>
    <name>Tyrosine oxidation to 2-aminotyrosine</name>
    <abbreviation>Amino</abbreviation>
    <unimod>342</unimod>
    <mono_mass>15.010899</mono_mass>
  </ptm>
  <ptm>
    <name>oxidized Arginine biotinylated with biotin hydrazide</name>
    <abbreviation>Argbiotinhydrazide</abbreviation>
    <unimod>343</unimod>
    <mono_mass>199.066699</mono_mass>
  </ptm>
  <ptm>
    <name>O18 Labeling</name>
    <abbreviation>Label:18O(1)</abbreviation>
    <unimod>258</unimod>
    <mono_mass>2.004246</mono_mass>
  </ptm>
  <ptm>
    <name>13C(6) 15N(2) Silac label</name>
    <abbreviation>Label:13C(6)15N(2)</abbreviation>
    <unimod>259</unimod>
    <mono_mass>8.014199</mono_mass>
  </ptm>
  <ptm>
    <name>Thiophosphorylation</name>
    <abbreviation>Thiophospho</abbreviation>
    <unimod>260</unimod>
    <mono_mass>95.943487</mono_mass>
  </ptm>
  <ptm>
    <name>4-sulfophenyl isothiocyanate</name>
    <abbreviation>SPITC</abbreviation>
    <unimod>261</unimod>
    <mono_mass>214.971084</mono_mass>
  </ptm>
  <ptm>
    <name>Light IDBEST tag for quantitation</name>
    <abbreviation>IGBP</abbreviation>
    <unimod>243</unimod>
    <mono_mass>296.016039</mono_mass>
  </ptm>
  <ptm>
    <name>nucleophilic addtion to cytopiloyne</name>
    <abbreviation>Cytopiloyne</abbreviation>
    <unimod>270</unimod>
    <mono_mass>362.136553</mono_mass>
  </ptm>
  <ptm>
    <name>nucleophilic addition to cytopiloyne+H2O</name>
    <abbreviation>Cytopiloyne+water</abbreviation>
    <unimod>271</unimod>
    <mono_mass>380.147118</mono_mass>
  </ptm>
  <ptm>
    <name>13C(6) 15N(4) Silac label</name>
    <abbreviation>Label:13C(6)15N(4)</abbreviation>
    <unimod>267</unimod>
    <mono_mass>10.008269</mono_mass>
  </ptm>
  <ptm>
    <name>13C(9) 15N(1) Silac label</name>
    <abbreviation>Label:13C(9)15N(1)</abbreviation>
    <unimod>269</unimod>
    <mono_mass>10.027228</mono_mass>
  </ptm>
  <ptm>
    <name>Trideuteration</name>
    <abbreviation>Label:2H(3)</abbreviation>
    <unimod>262</unimod>
    <mono_mass>3.018830</mono_mass>
  </ptm>
  <ptm>
    <name>13C(5) 15N(1) Silac label</name>
    <abbreviation>Label:13C(5)15N(1)</abbreviation>
    <unimod>268</unimod>
    <mono_mass>6.013809</mono_mass>
  </ptm>
  <ptm>
    <name>phosphorylation to pyridyl thiol</name>
    <abbreviation>PET</abbreviation>
    <unimod>264</unimod>
    <mono_mass>121.035005</mono_mass>
  </ptm>
  <ptm>
    <name>sulfonation of N-terminus</name>
    <abbreviation>CAF</abbreviation>
    <unimod>272</unimod>
    <mono_mass>135.983029</mono_mass>
  </ptm>
  <ptm>
    <name>covalent modification of lysine by cross-linking reagent</name>
    <abbreviation>Xlink:SSD</abbreviation>
    <unimod>273</unimod>
    <mono_mass>253.095023</mono_mass>
  </ptm>
  <ptm>
    <name>S-nitrosylation</name>
    <abbreviation>Nitrosyl</abbreviation>
    <unimod>275</unimod>
    <mono_mass>28.990164</mono_mass>
  </ptm>
  <ptm>
    <name>Aminoethylbenzenesulfonylation</name>
    <abbreviation>AEBS</abbreviation>
    <unimod>276</unimod>
    <mono_mass>183.035399</mono_mass>
  </ptm>
  <ptm>
    <name>Ethanolation</name>
    <abbreviation>Ethanolyl</abbreviation>
    <unimod>278</unimod>
    <mono_mass>44.026215</mono_mass>
  </ptm>
  <ptm>
    <name>Dimethyl 13C(6)15N(2) Silac label</name>
    <abbreviation>Label:13C(6)15N(2)+Dimethyl</abbreviation>
    <unimod>987</unimod>
    <mono_mass>36.045499</mono_mass>
  </ptm>
  <ptm>
    <name>Michael addition of hydroxymethylvinyl ketone to cysteine</name>
    <abbreviation>HMVK</abbreviation>
    <unimod>371</unimod>
    <mono_mass>86.036779</mono_mass>
  </ptm>
  <ptm>
    <name>Ethylation</name>
    <abbreviation>Ethyl</abbreviation>
    <unimod>280</unimod>
    <mono_mass>28.031300</mono_mass>
  </ptm>
  <ptm>
    <name>Cysteine modified Coenzyme A</name>
    <abbreviation>CoenzymeA</abbreviation>
    <unimod>281</unimod>
    <mono_mass>765.099560</mono_mass>
  </ptm>
  <ptm>
    <name>Deamidation followed by a methylation</name>
    <abbreviation>Methyl+Deamidated</abbreviation>
    <unimod>528</unimod>
    <mono_mass>14.999666</mono_mass>
  </ptm>
  <ptm>
    <name>Dimethylation of proline residue</name>
    <abbreviation>Delta:H(5)C(2)</abbreviation>
    <unimod>529</unimod>
    <mono_mass>29.039125</mono_mass>
  </ptm>
  <ptm>
    <name>Deuterium Methylation of Lysine</name>
    <abbreviation>Methyl:2H(2)</abbreviation>
    <unimod>284</unimod>
    <mono_mass>16.028204</mono_mass>
  </ptm>
  <ptm>
    <name>Light Sulfanilic Acid (SA) C12</name>
    <abbreviation>SulfanilicAcid</abbreviation>
    <unimod>285</unimod>
    <mono_mass>155.004099</mono_mass>
  </ptm>
  <ptm>
    <name>Heavy Sulfanilic Acid (SA) C13</name>
    <abbreviation>SulfanilicAcid:13C(6)</abbreviation>
    <unimod>286</unimod>
    <mono_mass>161.024228</mono_mass>
  </ptm>
  <ptm>
    <name>Biotin polyethyleneoxide amine</name>
    <abbreviation>Biotin-PEO-Amine</abbreviation>
    <unimod>289</unimod>
    <mono_mass>356.188212</mono_mass>
  </ptm>
  <ptm>
    <name>Tryptophan oxidation to oxolactone</name>
    <abbreviation>Trp-&gt;Oxolactone</abbreviation>
    <unimod>288</unimod>
    <mono_mass>13.979265</mono_mass>
  </ptm>
  <ptm>
    <name>Pierce EZ-Link Biotin-HPDP</name>
    <abbreviation>Biotin-HPDP</abbreviation>
    <unimod>290</unimod>
    <mono_mass>428.191582</mono_mass>
  </ptm>
  <ptm>
    <name>Mercury Mercaptan</name>
    <abbreviation>Delta:Hg(1)</abbreviation>
    <unimod>291</unimod>
    <mono_mass>201.970617</mono_mass>
  </ptm>
  <ptm>
    <name>Cross-link of (Iodo)-uracil MP with W,F,Y</name>
    <abbreviation>IodoU-AMP</abbreviation>
    <unimod>292</unimod>
    <mono_mass>322.020217</mono_mass>
  </ptm>
  <ptm>
    <name>3-(carbamidomethylthio)propanoyl</name>
    <abbreviation>CAMthiopropanoyl</abbreviation>
    <unimod>293</unimod>
    <mono_mass>145.019749</mono_mass>
  </ptm>
  <ptm>
    <name>biotinoyl-iodoacetyl-ethylenediamine</name>
    <abbreviation>IED-Biotin</abbreviation>
    <unimod>294</unimod>
    <mono_mass>326.141261</mono_mass>
  </ptm>
  <ptm>
    <name>Fucose</name>
    <abbreviation>dHex</abbreviation>
    <unimod>295</unimod>
    <mono_mass>146.057909</mono_mass>
  </ptm>
  <ptm>
    <name>deuterated methyl ester</name>
    <abbreviation>Methyl:2H(3)</abbreviation>
    <unimod>298</unimod>
    <mono_mass>17.034480</mono_mass>
  </ptm>
  <ptm>
    <name>Carboxylation</name>
    <abbreviation>Carboxy</abbreviation>
    <unimod>299</unimod>
    <mono_mass>43.989829</mono_mass>
  </ptm>
  <ptm>
    <name>Monobromobimane derivative</name>
    <abbreviation>Bromobimane</abbreviation>
    <unimod>301</unimod>
    <mono_mass>190.074228</mono_mass>
  </ptm>
  <ptm>
    <name>Menadione quinone derivative</name>
    <abbreviation>Menadione</abbreviation>
    <unimod>302</unimod>
    <mono_mass>170.036779</mono_mass>
  </ptm>
  <ptm>
    <name>Cysteine mercaptoethanol</name>
    <abbreviation>DeStreak</abbreviation>
    <unimod>303</unimod>
    <mono_mass>75.998285</mono_mass>
  </ptm>
  <ptm>
    <name>Fucosylated biantennary (-2 galactose)</name>
    <abbreviation>dHex(1)Hex(3)HexNAc(4)</abbreviation>
    <unimod>305</unimod>
    <mono_mass>1444.533870</mono_mass>
  </ptm>
  <ptm>
    <name>Fucosylated biantennary (-1 galactose)</name>
    <abbreviation>dHex(1)Hex(4)HexNAc(4)</abbreviation>
    <unimod>307</unimod>
    <mono_mass>1606.586693</mono_mass>
  </ptm>
  <ptm>
    <name>Fucosylated biantennary</name>
    <abbreviation>dHex(1)Hex(5)HexNAc(4)</abbreviation>
    <unimod>308</unimod>
    <mono_mass>1768.639517</mono_mass>
  </ptm>
  <ptm>
    <name>Biantennary (-2 galactose)</name>
    <abbreviation>Hex(3)HexNAc(4)</abbreviation>
    <unimod>309</unimod>
    <mono_mass>1298.475961</mono_mass>
  </ptm>
  <ptm>
    <name>Biantennary (-1 galactose)</name>
    <abbreviation>Hex(4)HexNAc(4)</abbreviation>
    <unimod>310</unimod>
    <mono_mass>1460.528784</mono_mass>
  </ptm>
  <ptm>
    <name>Biantennary</name>
    <abbreviation>Hex(5)HexNAc(4)</abbreviation>
    <unimod>311</unimod>
    <mono_mass>1622.581608</mono_mass>
  </ptm>
  <ptm>
    <name>Cysteinylation</name>
    <abbreviation>Cysteinyl</abbreviation>
    <unimod>312</unimod>
    <mono_mass>119.004099</mono_mass>
  </ptm>
  <ptm>
    <name>Loss of C-terminal K from Heavy Chain of MAb</name>
    <abbreviation>Lys-loss</abbreviation>
    <unimod>313</unimod>
    <mono_mass>-128.094963</mono_mass>
  </ptm>
  <ptm>
    <name>Nmethylmaleimide</name>
    <abbreviation>Nmethylmaleimide</abbreviation>
    <unimod>314</unimod>
    <mono_mass>111.032028</mono_mass>
  </ptm>
  <ptm>
    <name>Cy3 CyDye DIGE Fluor saturation dye</name>
    <abbreviation>CyDye-Cy3</abbreviation>
    <unimod>494</unimod>
    <mono_mass>672.298156</mono_mass>
  </ptm>
  <ptm>
    <name>2,5-dimethypyrrole</name>
    <abbreviation>DimethylpyrroleAdduct</abbreviation>
    <unimod>316</unimod>
    <mono_mass>78.046950</mono_mass>
  </ptm>
  <ptm>
    <name>MDA adduct +62</name>
    <abbreviation>Delta:H(2)C(5)</abbreviation>
    <unimod>318</unimod>
    <mono_mass>62.015650</mono_mass>
  </ptm>
  <ptm>
    <name>MDA adduct +54</name>
    <abbreviation>Delta:H(2)C(3)O(1)</abbreviation>
    <unimod>319</unimod>
    <mono_mass>54.010565</mono_mass>
  </ptm>
  <ptm>
    <name>Nethylmaleimidehydrolysis</name>
    <abbreviation>Nethylmaleimide+water</abbreviation>
    <unimod>320</unimod>
    <mono_mass>143.058243</mono_mass>
  </ptm>
  <ptm>
    <name>Mono-methylated lysine labelled with Acetyl_heavy</name>
    <abbreviation>Methyl+Acetyl:2H(3)</abbreviation>
    <unimod>768</unimod>
    <mono_mass>59.045045</mono_mass>
  </ptm>
  <ptm>
    <name>bis-N-I-sulfonerahodamine</name>
    <abbreviation>Xlink:B10621</abbreviation>
    <unimod>323</unimod>
    <mono_mass>713.093079</mono_mass>
  </ptm>
  <ptm>
    <name>dimethyl 3,3\'-dithiobispropionimidate</name>
    <abbreviation>DTBP</abbreviation>
    <unimod>324</unimod>
    <mono_mass>87.014270</mono_mass>
  </ptm>
  <ptm>
    <name>10-ethoxyphosphinyl-N-(biotinamidopentyl)decanamide</name>
    <abbreviation>FP-Biotin</abbreviation>
    <unimod>325</unimod>
    <mono_mass>572.316129</mono_mass>
  </ptm>
  <ptm>
    <name>thiophosphate labeled with biotin-HPDP</name>
    <abbreviation>Thiophos-S-S-biotin</abbreviation>
    <unimod>332</unimod>
    <mono_mass>525.142894</mono_mass>
  </ptm>
  <ptm>
    <name>6-N-biotinylaminohexyl isopropyl phosphate</name>
    <abbreviation>Can-FP-biotin</abbreviation>
    <unimod>333</unimod>
    <mono_mass>447.195679</mono_mass>
  </ptm>
  <ptm>
    <name>reduced 4-Hydroxynonenal</name>
    <abbreviation>HNE+Delta:H(2)</abbreviation>
    <unimod>335</unimod>
    <mono_mass>158.130680</mono_mass>
  </ptm>
  <ptm>
    <name>oxidized Threonine biotinylated with biotin hydrazide</name>
    <abbreviation>Thrbiotinhydrazide</abbreviation>
    <unimod>361</unimod>
    <mono_mass>240.104482</mono_mass>
  </ptm>
  <ptm>
    <name>Michael addition with methylamine</name>
    <abbreviation>Methylamine</abbreviation>
    <unimod>337</unimod>
    <mono_mass>13.031634</mono_mass>
  </ptm>
  <ptm>
    <name>O-Diisopropylphosphorylation</name>
    <abbreviation>Diisopropylphosphate</abbreviation>
    <unimod>362</unimod>
    <mono_mass>164.060231</mono_mass>
  </ptm>
  <ptm>
    <name>O-Isopropylphosphorylation</name>
    <abbreviation>Isopropylphospho</abbreviation>
    <unimod>363</unimod>
    <mono_mass>122.013281</mono_mass>
  </ptm>
  <ptm>
    <name>Bruker Daltonics SERVA-ICPL(TM) quantification chemistry, heavy form</name>
    <abbreviation>ICPL:13C(6)</abbreviation>
    <unimod>364</unimod>
    <mono_mass>111.041593</mono_mass>
  </ptm>
  <ptm>
    <name>Carbamidomethylated DTT modification of cysteine</name>
    <abbreviation>CarbamidomethylDTT</abbreviation>
    <unimod>893</unimod>
    <mono_mass>209.018035</mono_mass>
  </ptm>
  <ptm>
    <name>Bruker Daltonics SERVA-ICPL(TM) quantification chemistry, light form</name>
    <abbreviation>ICPL</abbreviation>
    <unimod>365</unimod>
    <mono_mass>105.021464</mono_mass>
  </ptm>
  <ptm>
    <name>Deamidation in presence of O18</name>
    <abbreviation>Deamidated:18O(1)</abbreviation>
    <unimod>366</unimod>
    <mono_mass>2.988261</mono_mass>
  </ptm>
  <ptm>
    <name>Ornithine from Arginine</name>
    <abbreviation>Arg-&gt;Orn</abbreviation>
    <unimod>372</unimod>
    <mono_mass>-42.021798</mono_mass>
  </ptm>
  <ptm>
    <name>Replacement of proton by copper</name>
    <abbreviation>Cation:Cu[I]</abbreviation>
    <unimod>531</unimod>
    <mono_mass>61.921774</mono_mass>
  </ptm>
  <ptm>
    <name>Half of a disulfide bridge</name>
    <abbreviation>Dehydro</abbreviation>
    <unimod>374</unimod>
    <mono_mass>-1.007825</mono_mass>
  </ptm>
  <ptm>
    <name>Diphthamide</name>
    <abbreviation>Diphthamide</abbreviation>
    <unimod>375</unimod>
    <mono_mass>142.110613</mono_mass>
  </ptm>
  <ptm>
    <name>hydroxyfarnesyl</name>
    <abbreviation>Hydroxyfarnesyl</abbreviation>
    <unimod>376</unimod>
    <mono_mass>220.182715</mono_mass>
  </ptm>
  <ptm>
    <name>diacylglycerol</name>
    <abbreviation>Diacylglycerol</abbreviation>
    <unimod>377</unimod>
    <mono_mass>576.511761</mono_mass>
  </ptm>
  <ptm>
    <name>carboxyethyl</name>
    <abbreviation>Carboxyethyl</abbreviation>
    <unimod>378</unimod>
    <mono_mass>72.021129</mono_mass>
  </ptm>
  <ptm>
    <name>hypusine</name>
    <abbreviation>Hypusine</abbreviation>
    <unimod>379</unimod>
    <mono_mass>87.068414</mono_mass>
  </ptm>
  <ptm>
    <name>retinal</name>
    <abbreviation>Retinylidene</abbreviation>
    <unimod>380</unimod>
    <mono_mass>266.203451</mono_mass>
  </ptm>
  <ptm>
    <name>alpha-amino adipic acid</name>
    <abbreviation>Lys-&gt;AminoadipicAcid</abbreviation>
    <unimod>381</unimod>
    <mono_mass>14.963280</mono_mass>
  </ptm>
  <ptm>
    <name>pyruvic acid from N-term cys</name>
    <abbreviation>Cys-&gt;PyruvicAcid</abbreviation>
    <unimod>382</unimod>
    <mono_mass>-33.003705</mono_mass>
  </ptm>
  <ptm>
    <name>Loss of ammonia</name>
    <abbreviation>Ammonia-loss</abbreviation>
    <unimod>385</unimod>
    <mono_mass>-17.026549</mono_mass>
  </ptm>
  <ptm>
    <name>phycocyanobilin</name>
    <abbreviation>Phycocyanobilin</abbreviation>
    <unimod>387</unimod>
    <mono_mass>586.279135</mono_mass>
  </ptm>
  <ptm>
    <name>phycoerythrobilin</name>
    <abbreviation>Phycoerythrobilin</abbreviation>
    <unimod>388</unimod>
    <mono_mass>588.294785</mono_mass>
  </ptm>
  <ptm>
    <name>phytochromobilin</name>
    <abbreviation>Phytochromobilin</abbreviation>
    <unimod>389</unimod>
    <mono_mass>584.263485</mono_mass>
  </ptm>
  <ptm>
    <name>heme</name>
    <abbreviation>Heme</abbreviation>
    <unimod>390</unimod>
    <mono_mass>616.177295</mono_mass>
  </ptm>
  <ptm>
    <name>molybdopterin</name>
    <abbreviation>Molybdopterin</abbreviation>
    <unimod>391</unimod>
    <mono_mass>521.884073</mono_mass>
  </ptm>
  <ptm>
    <name>quinone</name>
    <abbreviation>Quinone</abbreviation>
    <unimod>392</unimod>
    <mono_mass>29.974179</mono_mass>
  </ptm>
  <ptm>
    <name>glucosylgalactosyl hydroxylysine</name>
    <abbreviation>Glucosylgalactosyl</abbreviation>
    <unimod>393</unimod>
    <mono_mass>340.100562</mono_mass>
  </ptm>
  <ptm>
    <name>glycosylphosphatidylinositol</name>
    <abbreviation>GPIanchor</abbreviation>
    <unimod>394</unimod>
    <mono_mass>123.008530</mono_mass>
  </ptm>
  <ptm>
    <name>phosphoribosyl dephospho-coenzyme A</name>
    <abbreviation>PhosphoribosyldephosphoCoA</abbreviation>
    <unimod>395</unimod>
    <mono_mass>881.146904</mono_mass>
  </ptm>
  <ptm>
    <name>glycerylphosphorylethanolamine</name>
    <abbreviation>GlycerylPE</abbreviation>
    <unimod>396</unimod>
    <mono_mass>197.045310</mono_mass>
  </ptm>
  <ptm>
    <name>triiodo</name>
    <abbreviation>Triiodothyronine</abbreviation>
    <unimod>397</unimod>
    <mono_mass>469.716159</mono_mass>
  </ptm>
  <ptm>
    <name>tetraiodo</name>
    <abbreviation>Thyroxine</abbreviation>
    <unimod>398</unimod>
    <mono_mass>595.612807</mono_mass>
  </ptm>
  <ptm>
    <name>Dehydroalanine (from Tyrosine)</name>
    <abbreviation>Tyr-&gt;Dha</abbreviation>
    <unimod>400</unimod>
    <mono_mass>-94.041865</mono_mass>
  </ptm>
  <ptm>
    <name>2-amino-3-oxo-butanoic_acid</name>
    <abbreviation>Didehydro</abbreviation>
    <unimod>401</unimod>
    <mono_mass>-2.015650</mono_mass>
  </ptm>
  <ptm>
    <name>oxoalanine</name>
    <abbreviation>Cys-&gt;Oxoalanine</abbreviation>
    <unimod>402</unimod>
    <mono_mass>-17.992806</mono_mass>
  </ptm>
  <ptm>
    <name>lactic acid from N-term Ser</name>
    <abbreviation>Ser-&gt;LacticAcid</abbreviation>
    <unimod>403</unimod>
    <mono_mass>-15.010899</mono_mass>
  </ptm>
  <ptm>
    <name>diglutamyl</name>
    <abbreviation>GluGlu</abbreviation>
    <unimod>451</unimod>
    <mono_mass>258.085186</mono_mass>
  </ptm>
  <ptm>
    <name>AMP</name>
    <abbreviation>Phosphoadenosine</abbreviation>
    <unimod>405</unimod>
    <mono_mass>329.052520</mono_mass>
  </ptm>
  <ptm>
    <name>monoglutamyl</name>
    <abbreviation>Glu</abbreviation>
    <unimod>450</unimod>
    <mono_mass>129.042593</mono_mass>
  </ptm>
  <ptm>
    <name>hydroxycinnamyl</name>
    <abbreviation>Hydroxycinnamyl</abbreviation>
    <unimod>407</unimod>
    <mono_mass>146.036779</mono_mass>
  </ptm>
  <ptm>
    <name>glycosyl-L-hydroxyproline</name>
    <abbreviation>Glycosyl</abbreviation>
    <unimod>408</unimod>
    <mono_mass>148.037173</mono_mass>
  </ptm>
  <ptm>
    <name>flavin mononucleotide</name>
    <abbreviation>FMNH</abbreviation>
    <unimod>409</unimod>
    <mono_mass>454.088965</mono_mass>
  </ptm>
  <ptm>
    <name>S-diphytanylglycerol diether</name>
    <abbreviation>Archaeol</abbreviation>
    <unimod>410</unimod>
    <mono_mass>634.662782</mono_mass>
  </ptm>
  <ptm>
    <name>phenyl isocyanate</name>
    <abbreviation>Phenylisocyanate</abbreviation>
    <unimod>411</unimod>
    <mono_mass>119.037114</mono_mass>
  </ptm>
  <ptm>
    <name>d5-phenyl isocyanate</name>
    <abbreviation>Phenylisocyanate:2H(5)</abbreviation>
    <unimod>412</unimod>
    <mono_mass>124.068498</mono_mass>
  </ptm>
  <ptm>
    <name>phospho-guanosine</name>
    <abbreviation>Phosphoguanosine</abbreviation>
    <unimod>413</unimod>
    <mono_mass>345.047435</mono_mass>
  </ptm>
  <ptm>
    <name>hydroxymethyl</name>
    <abbreviation>Hydroxymethyl</abbreviation>
    <unimod>414</unimod>
    <mono_mass>30.010565</mono_mass>
  </ptm>
  <ptm>
    <name>L-selenocysteinyl molybdenum bis(molybdopterin guanine dinucleotide)</name>
    <abbreviation>MolybdopterinGD+Delta:S(-1)Se(1)</abbreviation>
    <unimod>415</unimod>
    <mono_mass>1620.930224</mono_mass>
  </ptm>
  <ptm>
    <name>dipyrrolylmethanemethyl</name>
    <abbreviation>Dipyrrolylmethanemethyl</abbreviation>
    <unimod>416</unimod>
    <mono_mass>418.137616</mono_mass>
  </ptm>
  <ptm>
    <name>uridine phosphodiester</name>
    <abbreviation>PhosphoUridine</abbreviation>
    <unimod>417</unimod>
    <mono_mass>306.025302</mono_mass>
  </ptm>
  <ptm>
    <name>glycerophospho</name>
    <abbreviation>Glycerophospho</abbreviation>
    <unimod>419</unimod>
    <mono_mass>154.003110</mono_mass>
  </ptm>
  <ptm>
    <name>thiocarboxylic acid</name>
    <abbreviation>Carboxy-&gt;Thiocarboxy</abbreviation>
    <unimod>420</unimod>
    <mono_mass>15.977156</mono_mass>
  </ptm>
  <ptm>
    <name>persulfide</name>
    <abbreviation>Sulfide</abbreviation>
    <unimod>421</unimod>
    <mono_mass>31.972071</mono_mass>
  </ptm>
  <ptm>
    <name>N-pyruvic acid 2-iminyl</name>
    <abbreviation>PyruvicAcidIminyl</abbreviation>
    <unimod>422</unimod>
    <mono_mass>70.005479</mono_mass>
  </ptm>
  <ptm>
    <name>selenyl</name>
    <abbreviation>Delta:Se(1)</abbreviation>
    <unimod>423</unimod>
    <mono_mass>79.916520</mono_mass>
  </ptm>
  <ptm>
    <name>molybdenum bis(molybdopterin guanine dinucleotide)</name>
    <abbreviation>MolybdopterinGD</abbreviation>
    <unimod>424</unimod>
    <mono_mass>1572.985775</mono_mass>
  </ptm>
  <ptm>
    <name>dihydroxy</name>
    <abbreviation>Dioxidation</abbreviation>
    <unimod>425</unimod>
    <mono_mass>31.989829</mono_mass>
  </ptm>
  <ptm>
    <name>octanoyl</name>
    <abbreviation>Octanoyl</abbreviation>
    <unimod>426</unimod>
    <mono_mass>126.104465</mono_mass>
  </ptm>
  <ptm>
    <name>N-acetylglucosamine-1-phosphoryl</name>
    <abbreviation>PhosphoHexNAc</abbreviation>
    <unimod>428</unimod>
    <mono_mass>283.045704</mono_mass>
  </ptm>
  <ptm>
    <name>phosphoglycosyl-D-mannose-1-phosphoryl</name>
    <abbreviation>PhosphoHex</abbreviation>
    <unimod>429</unimod>
    <mono_mass>242.019154</mono_mass>
  </ptm>
  <ptm>
    <name>palmitoleyl</name>
    <abbreviation>Palmitoleyl</abbreviation>
    <unimod>431</unimod>
    <mono_mass>236.214016</mono_mass>
  </ptm>
  <ptm>
    <name>cholesterol ester</name>
    <abbreviation>Cholesterol</abbreviation>
    <unimod>432</unimod>
    <mono_mass>368.344302</mono_mass>
  </ptm>
  <ptm>
    <name>3,4-didehydroretinylidene</name>
    <abbreviation>Didehydroretinylidene</abbreviation>
    <unimod>433</unimod>
    <mono_mass>264.187801</mono_mass>
  </ptm>
  <ptm>
    <name>cis-14-hydroxy-10,13-dioxo-7-heptadecenoic ester</name>
    <abbreviation>CHDH</abbreviation>
    <unimod>434</unimod>
    <mono_mass>294.183109</mono_mass>
  </ptm>
  <ptm>
    <name>4-methyl-delta-1-pyrroline-5-carboxyl</name>
    <abbreviation>Methylpyrroline</abbreviation>
    <unimod>435</unimod>
    <mono_mass>109.052764</mono_mass>
  </ptm>
  <ptm>
    <name>hydroxyheme</name>
    <abbreviation>Hydroxyheme</abbreviation>
    <unimod>436</unimod>
    <mono_mass>614.161645</mono_mass>
  </ptm>
  <ptm>
    <name>(3-aminopropyl)(L-aspartyl-1-amino)phosphoryl-5-adenosine</name>
    <abbreviation>MicrocinC7</abbreviation>
    <unimod>437</unimod>
    <mono_mass>386.110369</mono_mass>
  </ptm>
  <ptm>
    <name>cyano</name>
    <abbreviation>Cyano</abbreviation>
    <unimod>438</unimod>
    <mono_mass>24.995249</mono_mass>
  </ptm>
  <ptm>
    <name>hydrogenase diiron subcluster</name>
    <abbreviation>Diironsubcluster</abbreviation>
    <unimod>439</unimod>
    <mono_mass>342.786916</mono_mass>
  </ptm>
  <ptm>
    <name>amidino</name>
    <abbreviation>Amidino</abbreviation>
    <unimod>440</unimod>
    <mono_mass>42.021798</mono_mass>
  </ptm>
  <ptm>
    <name>O3-(riboflavin phosphoryl)</name>
    <abbreviation>FMN</abbreviation>
    <unimod>442</unimod>
    <mono_mass>438.094051</mono_mass>
  </ptm>
  <ptm>
    <name>S-(4a-FMN)</name>
    <abbreviation>FMNC</abbreviation>
    <unimod>443</unimod>
    <mono_mass>456.104615</mono_mass>
  </ptm>
  <ptm>
    <name>copper sulfido molybdopterin cytosine dinuncleotide</name>
    <abbreviation>CuSMo</abbreviation>
    <unimod>444</unimod>
    <mono_mass>922.834855</mono_mass>
  </ptm>
  <ptm>
    <name>5-hydroxy-N6,N6,N6-trimethyl</name>
    <abbreviation>Hydroxytrimethyl</abbreviation>
    <unimod>445</unimod>
    <mono_mass>59.049690</mono_mass>
  </ptm>
  <ptm>
    <name>reduction</name>
    <abbreviation>Deoxy</abbreviation>
    <unimod>447</unimod>
    <mono_mass>-15.994915</mono_mass>
  </ptm>
  <ptm>
    <name>microcin E492 siderophore ester from serine</name>
    <abbreviation>Microcin</abbreviation>
    <unimod>448</unimod>
    <mono_mass>831.197041</mono_mass>
  </ptm>
  <ptm>
    <name>lipid</name>
    <abbreviation>Decanoyl</abbreviation>
    <unimod>449</unimod>
    <mono_mass>154.135765</mono_mass>
  </ptm>
  <ptm>
    <name>triglutamyl</name>
    <abbreviation>GluGluGlu</abbreviation>
    <unimod>452</unimod>
    <mono_mass>387.127779</mono_mass>
  </ptm>
  <ptm>
    <name>tetraglutamyl</name>
    <abbreviation>GluGluGluGlu</abbreviation>
    <unimod>453</unimod>
    <mono_mass>516.170373</mono_mass>
  </ptm>
  <ptm>
    <name>Hexosamine</name>
    <abbreviation>HexN</abbreviation>
    <unimod>454</unimod>
    <mono_mass>161.068808</mono_mass>
  </ptm>
  <ptm>
    <name>One end of crosslink attached, one end free</name>
    <abbreviation>Xlink:DMP-s</abbreviation>
    <unimod>455</unimod>
    <mono_mass>154.110613</mono_mass>
  </ptm>
  <ptm>
    <name>Both ends of crosslink attached to same peptide</name>
    <abbreviation>Xlink:DMP</abbreviation>
    <unimod>456</unimod>
    <mono_mass>122.084398</mono_mass>
  </ptm>
  <ptm>
    <name>naphthalene-2,3-dicarboxaldehyde</name>
    <abbreviation>NDA</abbreviation>
    <unimod>457</unimod>
    <mono_mass>175.042199</mono_mass>
  </ptm>
  <ptm>
    <name>4-sulfophenyl isothiocyanate (Heavy C13)</name>
    <abbreviation>SPITC:13C(6)</abbreviation>
    <unimod>464</unimod>
    <mono_mass>220.991213</mono_mass>
  </ptm>
  <ptm>
    <name>d9-4-trimethyllammoniumbutyryl-</name>
    <abbreviation>TMAB:2H(9)</abbreviation>
    <unimod>477</unimod>
    <mono_mass>137.164030</mono_mass>
  </ptm>
  <ptm>
    <name>4-trimethyllammoniumbutyryl-</name>
    <abbreviation>TMAB</abbreviation>
    <unimod>476</unimod>
    <mono_mass>128.107539</mono_mass>
  </ptm>
  <ptm>
    <name>fluorescein-5-thiosemicarbazide</name>
    <abbreviation>FTC</abbreviation>
    <unimod>478</unimod>
    <mono_mass>421.073241</mono_mass>
  </ptm>
  <ptm>
    <name>aminoethylcysteine</name>
    <abbreviation>AEC-MAEC</abbreviation>
    <unimod>472</unimod>
    <mono_mass>59.019355</mono_mass>
  </ptm>
  <ptm>
    <name>Bisphenol A diglycidyl ether derivative</name>
    <abbreviation>BADGE</abbreviation>
    <unimod>493</unimod>
    <mono_mass>340.167459</mono_mass>
  </ptm>
  <ptm>
    <name>4,4,5,5-D4 Lysine</name>
    <abbreviation>Label:2H(4)</abbreviation>
    <unimod>481</unimod>
    <mono_mass>4.025107</mono_mass>
  </ptm>
  <ptm>
    <name>Heptose</name>
    <abbreviation>Hep</abbreviation>
    <unimod>490</unimod>
    <mono_mass>192.063388</mono_mass>
  </ptm>
  <ptm>
    <name>Cy5 CyDye DIGE Fluor saturation dye</name>
    <abbreviation>CyDye-Cy5</abbreviation>
    <unimod>495</unimod>
    <mono_mass>684.298156</mono_mass>
  </ptm>
  <ptm>
    <name>Dehydropyrrolizidine alkaloid (dehydroretronecine) on cysteines</name>
    <abbreviation>DHP</abbreviation>
    <unimod>488</unimod>
    <mono_mass>118.065674</mono_mass>
  </ptm>
  <ptm>
    <name>Michael addition of t-butyl hydroxylated BHT (BHTOH) to C, H or K</name>
    <abbreviation>BHTOH</abbreviation>
    <unimod>498</unimod>
    <mono_mass>234.161980</mono_mass>
  </ptm>
  <ptm>
    <name>Heavy IDBEST tag for quantitation</name>
    <abbreviation>IGBP:13C(2)</abbreviation>
    <unimod>499</unimod>
    <mono_mass>298.022748</mono_mass>
  </ptm>
  <ptm>
    <name>Nmethylmaleimidehydrolysis</name>
    <abbreviation>Nmethylmaleimide+water</abbreviation>
    <unimod>500</unimod>
    <mono_mass>129.042593</mono_mass>
  </ptm>
  <ptm>
    <name>3-methyl-2-pyridyl isocyanate</name>
    <abbreviation>PyMIC</abbreviation>
    <unimod>501</unimod>
    <mono_mass>134.048013</mono_mass>
  </ptm>
  <ptm>
    <name>Levuglandinyl - lysine lactam adduct</name>
    <abbreviation>LG-lactam-K</abbreviation>
    <unimod>503</unimod>
    <mono_mass>332.198760</mono_mass>
  </ptm>
  <ptm>
    <name>4,4\'-dianilino-1,1\'-binaphthyl-5,5\'-disulfonic acid</name>
    <abbreviation>BisANS</abbreviation>
    <unimod>519</unimod>
    <mono_mass>594.091928</mono_mass>
  </ptm>
  <ptm>
    <name>Piperidination</name>
    <abbreviation>Piperidine</abbreviation>
    <unimod>520</unimod>
    <mono_mass>68.062600</mono_mass>
  </ptm>
  <ptm>
    <name>Diethylation, analogous to Dimethylation</name>
    <abbreviation>Diethyl</abbreviation>
    <unimod>518</unimod>
    <mono_mass>56.062600</mono_mass>
  </ptm>
  <ptm>
    <name>Levuglandinyl - lysine hydroxylactam adduct</name>
    <abbreviation>LG-Hlactam-K</abbreviation>
    <unimod>504</unimod>
    <mono_mass>348.193674</mono_mass>
  </ptm>
  <ptm>
    <name>DiMethyl-C13HD2</name>
    <abbreviation>Dimethyl:2H(4)13C(2)</abbreviation>
    <unimod>510</unimod>
    <mono_mass>34.063117</mono_mass>
  </ptm>
  <ptm>
    <name>[3-(2,5)-Dioxopyrrolidin-1-yloxycarbonyl)-propyl]dimethyloctylammonium</name>
    <abbreviation>C8-QAT</abbreviation>
    <unimod>513</unimod>
    <mono_mass>227.224915</mono_mass>
  </ptm>
  <ptm>
    <name>Lactosylation</name>
    <abbreviation>Hex(2)</abbreviation>
    <unimod>512</unimod>
    <mono_mass>324.105647</mono_mass>
  </ptm>
  <ptm>
    <name>Levuglandinyl - arginine lactam adduct</name>
    <abbreviation>LG-lactam-R</abbreviation>
    <unimod>505</unimod>
    <mono_mass>290.176961</mono_mass>
  </ptm>
  <ptm>
    <name>Modification of cystein by withaferin</name>
    <abbreviation>Withaferin</abbreviation>
    <unimod>1036</unimod>
    <mono_mass>470.266839</mono_mass>
  </ptm>
  <ptm>
    <name>desthiobiotin fluorophosphonate</name>
    <abbreviation>Biotin:Thermo-88317</abbreviation>
    <unimod>1037</unimod>
    <mono_mass>443.291294</mono_mass>
  </ptm>
  <ptm>
    <name>CLIP_TRAQ_2</name>
    <abbreviation>CLIP_TRAQ_2</abbreviation>
    <unimod>525</unimod>
    <mono_mass>141.098318</mono_mass>
  </ptm>
  <ptm>
    <name>Levuglandinyl - arginine hydroxylactam adduct</name>
    <abbreviation>LG-Hlactam-R</abbreviation>
    <unimod>506</unimod>
    <mono_mass>306.171876</mono_mass>
  </ptm>
  <ptm>
    <name>Maleimide-Biotin</name>
    <abbreviation>Maleimide-PEO2-Biotin</abbreviation>
    <unimod>522</unimod>
    <mono_mass>525.225719</mono_mass>
  </ptm>
  <ptm>
    <name>Biot_LC_LC</name>
    <abbreviation>Sulfo-NHS-LC-LC-Biotin</abbreviation>
    <unimod>523</unimod>
    <mono_mass>452.245726</mono_mass>
  </ptm>
  <ptm>
    <name>fluorescein-5-maleimide</name>
    <abbreviation>FNEM</abbreviation>
    <unimod>515</unimod>
    <mono_mass>427.069202</mono_mass>
  </ptm>
  <ptm>
    <name>propyl-1,2-dideoxy-2\'-methyl-alpha-D-glucopyranoso-[2,1-d]-Delta2\'-thiazoline</name>
    <abbreviation>PropylNAGthiazoline</abbreviation>
    <unimod>514</unimod>
    <mono_mass>232.064354</mono_mass>
  </ptm>
  <ptm>
    <name>Prompt loss of side chain from oxidised Met</name>
    <abbreviation>Dethiomethyl</abbreviation>
    <unimod>526</unimod>
    <mono_mass>-48.003371</mono_mass>
  </ptm>
  <ptm>
    <name>Accurate mass for 114</name>
    <abbreviation>iTRAQ4plex114</abbreviation>
    <unimod>532</unimod>
    <mono_mass>144.105918</mono_mass>
  </ptm>
  <ptm>
    <name>Accurate mass for 115</name>
    <abbreviation>iTRAQ4plex115</abbreviation>
    <unimod>533</unimod>
    <mono_mass>144.099599</mono_mass>
  </ptm>
  <ptm>
    <name>Dibromo</name>
    <abbreviation>Dibromo</abbreviation>
    <unimod>534</unimod>
    <mono_mass>155.821022</mono_mass>
  </ptm>
  <ptm>
    <name>Ubiquitination</name>
    <abbreviation>LRGG</abbreviation>
    <unimod>535</unimod>
    <mono_mass>383.228103</mono_mass>
  </ptm>
  <ptm>
    <name>CLIP_TRAQ_3</name>
    <abbreviation>CLIP_TRAQ_3</abbreviation>
    <unimod>536</unimod>
    <mono_mass>271.148736</mono_mass>
  </ptm>
  <ptm>
    <name>CLIP_TRAQ_4</name>
    <abbreviation>CLIP_TRAQ_4</abbreviation>
    <unimod>537</unimod>
    <mono_mass>244.101452</mono_mass>
  </ptm>
  <ptm>
    <name>was 15dB-biotin</name>
    <abbreviation>Biotin:Cayman-10141</abbreviation>
    <unimod>538</unimod>
    <mono_mass>626.386577</mono_mass>
  </ptm>
  <ptm>
    <name>was PGA1-biotin</name>
    <abbreviation>Biotin:Cayman-10013</abbreviation>
    <unimod>539</unimod>
    <mono_mass>660.428442</mono_mass>
  </ptm>
  <ptm>
    <name>Ala-&gt;Ser substitution</name>
    <abbreviation>Ala-&gt;Ser</abbreviation>
    <unimod>540</unimod>
    <mono_mass>15.994915</mono_mass>
  </ptm>
  <ptm>
    <name>Ala-&gt;Thr substitution</name>
    <abbreviation>Ala-&gt;Thr</abbreviation>
    <unimod>541</unimod>
    <mono_mass>30.010565</mono_mass>
  </ptm>
  <ptm>
    <name>Ala-&gt;Asp substitution</name>
    <abbreviation>Ala-&gt;Asp</abbreviation>
    <unimod>542</unimod>
    <mono_mass>43.989829</mono_mass>
  </ptm>
  <ptm>
    <name>Ala-&gt;Pro substitution</name>
    <abbreviation>Ala-&gt;Pro</abbreviation>
    <unimod>543</unimod>
    <mono_mass>26.015650</mono_mass>
  </ptm>
  <ptm>
    <name>Ala-&gt;Gly substitution</name>
    <abbreviation>Ala-&gt;Gly</abbreviation>
    <unimod>544</unimod>
    <mono_mass>-14.015650</mono_mass>
  </ptm>
  <ptm>
    <name>Ala-&gt;Glu substitution</name>
    <abbreviation>Ala-&gt;Glu</abbreviation>
    <unimod>545</unimod>
    <mono_mass>58.005479</mono_mass>
  </ptm>
  <ptm>
    <name>Ala-&gt;Val substitution</name>
    <abbreviation>Ala-&gt;Val</abbreviation>
    <unimod>546</unimod>
    <mono_mass>28.031300</mono_mass>
  </ptm>
  <ptm>
    <name>Cys-&gt;Phe substitution</name>
    <abbreviation>Cys-&gt;Phe</abbreviation>
    <unimod>547</unimod>
    <mono_mass>44.059229</mono_mass>
  </ptm>
  <ptm>
    <name>Cys-&gt;Ser substitution</name>
    <abbreviation>Cys-&gt;Ser</abbreviation>
    <unimod>548</unimod>
    <mono_mass>-15.977156</mono_mass>
  </ptm>
  <ptm>
    <name>Cys-&gt;Trp substitution</name>
    <abbreviation>Cys-&gt;Trp</abbreviation>
    <unimod>549</unimod>
    <mono_mass>83.070128</mono_mass>
  </ptm>
  <ptm>
    <name>Cys-&gt;Tyr substitution</name>
    <abbreviation>Cys-&gt;Tyr</abbreviation>
    <unimod>550</unimod>
    <mono_mass>60.054144</mono_mass>
  </ptm>
  <ptm>
    <name>Cys-&gt;Arg substitution</name>
    <abbreviation>Cys-&gt;Arg</abbreviation>
    <unimod>551</unimod>
    <mono_mass>53.091927</mono_mass>
  </ptm>
  <ptm>
    <name>Cys-&gt;Gly substitution</name>
    <abbreviation>Cys-&gt;Gly</abbreviation>
    <unimod>552</unimod>
    <mono_mass>-45.987721</mono_mass>
  </ptm>
  <ptm>
    <name>Asp-&gt;Ala substitution</name>
    <abbreviation>Asp-&gt;Ala</abbreviation>
    <unimod>553</unimod>
    <mono_mass>-43.989829</mono_mass>
  </ptm>
  <ptm>
    <name>Asp-&gt;His substitution</name>
    <abbreviation>Asp-&gt;His</abbreviation>
    <unimod>554</unimod>
    <mono_mass>22.031969</mono_mass>
  </ptm>
  <ptm>
    <name>Asp-&gt;Asn substitution</name>
    <abbreviation>Asp-&gt;Asn</abbreviation>
    <unimod>555</unimod>
    <mono_mass>-0.984016</mono_mass>
  </ptm>
  <ptm>
    <name>Asp-&gt;Gly substitution</name>
    <abbreviation>Asp-&gt;Gly</abbreviation>
    <unimod>556</unimod>
    <mono_mass>-58.005479</mono_mass>
  </ptm>
  <ptm>
    <name>Asp-&gt;Tyr substitution</name>
    <abbreviation>Asp-&gt;Tyr</abbreviation>
    <unimod>557</unimod>
    <mono_mass>48.036386</mono_mass>
  </ptm>
  <ptm>
    <name>Asp-&gt;Glu substitution</name>
    <abbreviation>Asp-&gt;Glu</abbreviation>
    <unimod>558</unimod>
    <mono_mass>14.015650</mono_mass>
  </ptm>
  <ptm>
    <name>Asp-&gt;Val substitution</name>
    <abbreviation>Asp-&gt;Val</abbreviation>
    <unimod>559</unimod>
    <mono_mass>-15.958529</mono_mass>
  </ptm>
  <ptm>
    <name>Glu-&gt;Ala substitution</name>
    <abbreviation>Glu-&gt;Ala</abbreviation>
    <unimod>560</unimod>
    <mono_mass>-58.005479</mono_mass>
  </ptm>
  <ptm>
    <name>Glu-&gt;Gln substitution</name>
    <abbreviation>Glu-&gt;Gln</abbreviation>
    <unimod>561</unimod>
    <mono_mass>-0.984016</mono_mass>
  </ptm>
  <ptm>
    <name>Glu-&gt;Asp substitution</name>
    <abbreviation>Glu-&gt;Asp</abbreviation>
    <unimod>562</unimod>
    <mono_mass>-14.015650</mono_mass>
  </ptm>
  <ptm>
    <name>Glu-&gt;Lys substitution</name>
    <abbreviation>Glu-&gt;Lys</abbreviation>
    <unimod>563</unimod>
    <mono_mass>-0.947630</mono_mass>
  </ptm>
  <ptm>
    <name>Glu-&gt;Gly substitution</name>
    <abbreviation>Glu-&gt;Gly</abbreviation>
    <unimod>564</unimod>
    <mono_mass>-72.021129</mono_mass>
  </ptm>
  <ptm>
    <name>Glu-&gt;Val substitution</name>
    <abbreviation>Glu-&gt;Val</abbreviation>
    <unimod>565</unimod>
    <mono_mass>-29.974179</mono_mass>
  </ptm>
  <ptm>
    <name>Phe-&gt;Ser substitution</name>
    <abbreviation>Phe-&gt;Ser</abbreviation>
    <unimod>566</unimod>
    <mono_mass>-60.036386</mono_mass>
  </ptm>
  <ptm>
    <name>Phe-&gt;Cys substitution</name>
    <abbreviation>Phe-&gt;Cys</abbreviation>
    <unimod>567</unimod>
    <mono_mass>-44.059229</mono_mass>
  </ptm>
  <ptm>
    <name>Phe-&gt;Leu/Ile substitution</name>
    <abbreviation>Phe-&gt;Xle</abbreviation>
    <unimod>568</unimod>
    <mono_mass>-33.984350</mono_mass>
  </ptm>
  <ptm>
    <name>Phe-&gt;Tyr substitution</name>
    <abbreviation>Phe-&gt;Tyr</abbreviation>
    <unimod>569</unimod>
    <mono_mass>15.994915</mono_mass>
  </ptm>
  <ptm>
    <name>Phe-&gt;Val substitution</name>
    <abbreviation>Phe-&gt;Val</abbreviation>
    <unimod>570</unimod>
    <mono_mass>-48.000000</mono_mass>
  </ptm>
  <ptm>
    <name>Gly-&gt;Ala substitution</name>
    <abbreviation>Gly-&gt;Ala</abbreviation>
    <unimod>571</unimod>
    <mono_mass>14.015650</mono_mass>
  </ptm>
  <ptm>
    <name>Gly-&gt;Ser substitution</name>
    <abbreviation>Gly-&gt;Ser</abbreviation>
    <unimod>572</unimod>
    <mono_mass>30.010565</mono_mass>
  </ptm>
  <ptm>
    <name>Gly-&gt;Trp substitution</name>
    <abbreviation>Gly-&gt;Trp</abbreviation>
    <unimod>573</unimod>
    <mono_mass>129.057849</mono_mass>
  </ptm>
  <ptm>
    <name>Gly-&gt;Glu substitution</name>
    <abbreviation>Gly-&gt;Glu</abbreviation>
    <unimod>574</unimod>
    <mono_mass>72.021129</mono_mass>
  </ptm>
  <ptm>
    <name>Gly-&gt;Val substitution</name>
    <abbreviation>Gly-&gt;Val</abbreviation>
    <unimod>575</unimod>
    <mono_mass>42.046950</mono_mass>
  </ptm>
  <ptm>
    <name>Gly-&gt;Asp substitution</name>
    <abbreviation>Gly-&gt;Asp</abbreviation>
    <unimod>576</unimod>
    <mono_mass>58.005479</mono_mass>
  </ptm>
  <ptm>
    <name>Gly-&gt;Cys substitution</name>
    <abbreviation>Gly-&gt;Cys</abbreviation>
    <unimod>577</unimod>
    <mono_mass>45.987721</mono_mass>
  </ptm>
  <ptm>
    <name>Gly-&gt;Arg substitution</name>
    <abbreviation>Gly-&gt;Arg</abbreviation>
    <unimod>578</unimod>
    <mono_mass>99.079647</mono_mass>
  </ptm>
  <ptm>
    <name>deuterated Nicotinic Acid</name>
    <abbreviation>dNIC</abbreviation>
    <unimod>698</unimod>
    <mono_mass>109.048119</mono_mass>
  </ptm>
  <ptm>
    <name>His-&gt;Pro substitution</name>
    <abbreviation>His-&gt;Pro</abbreviation>
    <unimod>580</unimod>
    <mono_mass>-40.006148</mono_mass>
  </ptm>
  <ptm>
    <name>His-&gt;Tyr substitution</name>
    <abbreviation>His-&gt;Tyr</abbreviation>
    <unimod>581</unimod>
    <mono_mass>26.004417</mono_mass>
  </ptm>
  <ptm>
    <name>His-&gt;Gln substitution</name>
    <abbreviation>His-&gt;Gln</abbreviation>
    <unimod>582</unimod>
    <mono_mass>-9.000334</mono_mass>
  </ptm>
  <ptm>
    <name>Nicotinic Acid</name>
    <abbreviation>NIC</abbreviation>
    <unimod>697</unimod>
    <mono_mass>105.021464</mono_mass>
  </ptm>
  <ptm>
    <name>His-&gt;Arg substitution</name>
    <abbreviation>His-&gt;Arg</abbreviation>
    <unimod>584</unimod>
    <mono_mass>19.042199</mono_mass>
  </ptm>
  <ptm>
    <name>His-&gt;Leu/Ile substitution</name>
    <abbreviation>His-&gt;Xle</abbreviation>
    <unimod>585</unimod>
    <mono_mass>-23.974848</mono_mass>
  </ptm>
  <ptm>
    <name>Leu/Ile-&gt;Ala substitution</name>
    <abbreviation>Xle-&gt;Ala</abbreviation>
    <unimod>1125</unimod>
    <mono_mass>-42.046950</mono_mass>
  </ptm>
  <ptm>
    <name>Leu/Ile-&gt;Thr substitution</name>
    <abbreviation>Xle-&gt;Thr</abbreviation>
    <unimod>588</unimod>
    <mono_mass>-12.036386</mono_mass>
  </ptm>
  <ptm>
    <name>Leu/Ile-&gt;Asn substitution</name>
    <abbreviation>Xle-&gt;Asn</abbreviation>
    <unimod>589</unimod>
    <mono_mass>0.958863</mono_mass>
  </ptm>
  <ptm>
    <name>Leu/Ile-&gt;Lys substitution</name>
    <abbreviation>Xle-&gt;Lys</abbreviation>
    <unimod>590</unimod>
    <mono_mass>15.010899</mono_mass>
  </ptm>
  <ptm>
    <name>Lys-&gt;Thr substitution</name>
    <abbreviation>Lys-&gt;Thr</abbreviation>
    <unimod>594</unimod>
    <mono_mass>-27.047285</mono_mass>
  </ptm>
  <ptm>
    <name>Lys-&gt;Asn substitution</name>
    <abbreviation>Lys-&gt;Asn</abbreviation>
    <unimod>595</unimod>
    <mono_mass>-14.052036</mono_mass>
  </ptm>
  <ptm>
    <name>Lys-&gt;Glu substitution</name>
    <abbreviation>Lys-&gt;Glu</abbreviation>
    <unimod>596</unimod>
    <mono_mass>0.947630</mono_mass>
  </ptm>
  <ptm>
    <name>Lys-&gt;Gln substitution</name>
    <abbreviation>Lys-&gt;Gln</abbreviation>
    <unimod>597</unimod>
    <mono_mass>-0.036386</mono_mass>
  </ptm>
  <ptm>
    <name>Lys-&gt;Met substitution</name>
    <abbreviation>Lys-&gt;Met</abbreviation>
    <unimod>598</unimod>
    <mono_mass>2.945522</mono_mass>
  </ptm>
  <ptm>
    <name>Lys-&gt;Arg substitution</name>
    <abbreviation>Lys-&gt;Arg</abbreviation>
    <unimod>599</unimod>
    <mono_mass>28.006148</mono_mass>
  </ptm>
  <ptm>
    <name>Lys-&gt;Leu/Ile substitution</name>
    <abbreviation>Lys-&gt;Xle</abbreviation>
    <unimod>600</unimod>
    <mono_mass>-15.010899</mono_mass>
  </ptm>
  <ptm>
    <name>Leu/Ile-&gt;Ser substitution</name>
    <abbreviation>Xle-&gt;Ser</abbreviation>
    <unimod>601</unimod>
    <mono_mass>-26.052036</mono_mass>
  </ptm>
  <ptm>
    <name>Leu/Ile-&gt;Phe substitution</name>
    <abbreviation>Xle-&gt;Phe</abbreviation>
    <unimod>602</unimod>
    <mono_mass>33.984350</mono_mass>
  </ptm>
  <ptm>
    <name>Leu/Ile-&gt;Trp substitution</name>
    <abbreviation>Xle-&gt;Trp</abbreviation>
    <unimod>603</unimod>
    <mono_mass>72.995249</mono_mass>
  </ptm>
  <ptm>
    <name>Leu/Ile-&gt;Pro substitution</name>
    <abbreviation>Xle-&gt;Pro</abbreviation>
    <unimod>604</unimod>
    <mono_mass>-16.031300</mono_mass>
  </ptm>
  <ptm>
    <name>Leu/Ile-&gt;Val substitution</name>
    <abbreviation>Xle-&gt;Val</abbreviation>
    <unimod>605</unimod>
    <mono_mass>-14.015650</mono_mass>
  </ptm>
  <ptm>
    <name>Leu/Ile-&gt;His substitution</name>
    <abbreviation>Xle-&gt;His</abbreviation>
    <unimod>606</unimod>
    <mono_mass>23.974848</mono_mass>
  </ptm>
  <ptm>
    <name>Leu/Ile-&gt;Gln substitution</name>
    <abbreviation>Xle-&gt;Gln</abbreviation>
    <unimod>607</unimod>
    <mono_mass>14.974514</mono_mass>
  </ptm>
  <ptm>
    <name>Leu/Ile-&gt;Met substitution</name>
    <abbreviation>Xle-&gt;Met</abbreviation>
    <unimod>608</unimod>
    <mono_mass>17.956421</mono_mass>
  </ptm>
  <ptm>
    <name>Leu/Ile-&gt;Arg substitution</name>
    <abbreviation>Xle-&gt;Arg</abbreviation>
    <unimod>609</unimod>
    <mono_mass>43.017047</mono_mass>
  </ptm>
  <ptm>
    <name>Met-&gt;Thr substitution</name>
    <abbreviation>Met-&gt;Thr</abbreviation>
    <unimod>610</unimod>
    <mono_mass>-29.992806</mono_mass>
  </ptm>
  <ptm>
    <name>Met-&gt;Arg substitution</name>
    <abbreviation>Met-&gt;Arg</abbreviation>
    <unimod>611</unimod>
    <mono_mass>25.060626</mono_mass>
  </ptm>
  <ptm>
    <name>Met-&gt;Lys substitution</name>
    <abbreviation>Met-&gt;Lys</abbreviation>
    <unimod>613</unimod>
    <mono_mass>-2.945522</mono_mass>
  </ptm>
  <ptm>
    <name>Met-&gt;Leu/Ile substitution</name>
    <abbreviation>Met-&gt;Xle</abbreviation>
    <unimod>614</unimod>
    <mono_mass>-17.956421</mono_mass>
  </ptm>
  <ptm>
    <name>Met-&gt;Val substitution</name>
    <abbreviation>Met-&gt;Val</abbreviation>
    <unimod>615</unimod>
    <mono_mass>-31.972071</mono_mass>
  </ptm>
  <ptm>
    <name>Asn-&gt;Ser substitution</name>
    <abbreviation>Asn-&gt;Ser</abbreviation>
    <unimod>616</unimod>
    <mono_mass>-27.010899</mono_mass>
  </ptm>
  <ptm>
    <name>Asn-&gt;Thr substitution</name>
    <abbreviation>Asn-&gt;Thr</abbreviation>
    <unimod>617</unimod>
    <mono_mass>-12.995249</mono_mass>
  </ptm>
  <ptm>
    <name>Asn-&gt;Lys substitution</name>
    <abbreviation>Asn-&gt;Lys</abbreviation>
    <unimod>618</unimod>
    <mono_mass>14.052036</mono_mass>
  </ptm>
  <ptm>
    <name>Asn-&gt;Tyr substitution</name>
    <abbreviation>Asn-&gt;Tyr</abbreviation>
    <unimod>619</unimod>
    <mono_mass>49.020401</mono_mass>
  </ptm>
  <ptm>
    <name>Asn-&gt;His substitution</name>
    <abbreviation>Asn-&gt;His</abbreviation>
    <unimod>620</unimod>
    <mono_mass>23.015984</mono_mass>
  </ptm>
  <ptm>
    <name>Asn-&gt;Asp substitution</name>
    <abbreviation>Asn-&gt;Asp</abbreviation>
    <unimod>621</unimod>
    <mono_mass>0.984016</mono_mass>
  </ptm>
  <ptm>
    <name>Asn-&gt;Leu/Ile substitution</name>
    <abbreviation>Asn-&gt;Xle</abbreviation>
    <unimod>622</unimod>
    <mono_mass>-0.958863</mono_mass>
  </ptm>
  <ptm>
    <name>Pro-&gt;Ser substitution</name>
    <abbreviation>Pro-&gt;Ser</abbreviation>
    <unimod>623</unimod>
    <mono_mass>-10.020735</mono_mass>
  </ptm>
  <ptm>
    <name>Pro-&gt;Ala substitution</name>
    <abbreviation>Pro-&gt;Ala</abbreviation>
    <unimod>624</unimod>
    <mono_mass>-26.015650</mono_mass>
  </ptm>
  <ptm>
    <name>Pro-&gt;His substitution</name>
    <abbreviation>Pro-&gt;His</abbreviation>
    <unimod>625</unimod>
    <mono_mass>40.006148</mono_mass>
  </ptm>
  <ptm>
    <name>Pro-&gt;Gln substitution</name>
    <abbreviation>Pro-&gt;Gln</abbreviation>
    <unimod>626</unimod>
    <mono_mass>31.005814</mono_mass>
  </ptm>
  <ptm>
    <name>Pro-&gt;Thr substitution</name>
    <abbreviation>Pro-&gt;Thr</abbreviation>
    <unimod>627</unimod>
    <mono_mass>3.994915</mono_mass>
  </ptm>
  <ptm>
    <name>Pro-&gt;Arg substitution</name>
    <abbreviation>Pro-&gt;Arg</abbreviation>
    <unimod>628</unimod>
    <mono_mass>59.048347</mono_mass>
  </ptm>
  <ptm>
    <name>Pro-&gt;Leu/Ile substitution</name>
    <abbreviation>Pro-&gt;Xle</abbreviation>
    <unimod>629</unimod>
    <mono_mass>16.031300</mono_mass>
  </ptm>
  <ptm>
    <name>Gln-&gt;Pro substitution</name>
    <abbreviation>Gln-&gt;Pro</abbreviation>
    <unimod>630</unimod>
    <mono_mass>-31.005814</mono_mass>
  </ptm>
  <ptm>
    <name>Gln-&gt;Lys substitution</name>
    <abbreviation>Gln-&gt;Lys</abbreviation>
    <unimod>631</unimod>
    <mono_mass>0.036386</mono_mass>
  </ptm>
  <ptm>
    <name>Gln-&gt;Glu substitution</name>
    <abbreviation>Gln-&gt;Glu</abbreviation>
    <unimod>632</unimod>
    <mono_mass>0.984016</mono_mass>
  </ptm>
  <ptm>
    <name>Gln-&gt;His substitution</name>
    <abbreviation>Gln-&gt;His</abbreviation>
    <unimod>633</unimod>
    <mono_mass>9.000334</mono_mass>
  </ptm>
  <ptm>
    <name>Gln-&gt;Arg substitution</name>
    <abbreviation>Gln-&gt;Arg</abbreviation>
    <unimod>634</unimod>
    <mono_mass>28.042534</mono_mass>
  </ptm>
  <ptm>
    <name>Gln-&gt;Leu/Ile substitution</name>
    <abbreviation>Gln-&gt;Xle</abbreviation>
    <unimod>635</unimod>
    <mono_mass>-14.974514</mono_mass>
  </ptm>
  <ptm>
    <name>Arg-&gt;Ser substitution</name>
    <abbreviation>Arg-&gt;Ser</abbreviation>
    <unimod>636</unimod>
    <mono_mass>-69.069083</mono_mass>
  </ptm>
  <ptm>
    <name>Arg-&gt;Trp substitution</name>
    <abbreviation>Arg-&gt;Trp</abbreviation>
    <unimod>637</unimod>
    <mono_mass>29.978202</mono_mass>
  </ptm>
  <ptm>
    <name>Arg-&gt;Thr substitution</name>
    <abbreviation>Arg-&gt;Thr</abbreviation>
    <unimod>638</unimod>
    <mono_mass>-55.053433</mono_mass>
  </ptm>
  <ptm>
    <name>Arg-&gt;Pro substitution</name>
    <abbreviation>Arg-&gt;Pro</abbreviation>
    <unimod>639</unimod>
    <mono_mass>-59.048347</mono_mass>
  </ptm>
  <ptm>
    <name>Arg-&gt;Lys substitution</name>
    <abbreviation>Arg-&gt;Lys</abbreviation>
    <unimod>640</unimod>
    <mono_mass>-28.006148</mono_mass>
  </ptm>
  <ptm>
    <name>Arg-&gt;His substitution</name>
    <abbreviation>Arg-&gt;His</abbreviation>
    <unimod>641</unimod>
    <mono_mass>-19.042199</mono_mass>
  </ptm>
  <ptm>
    <name>Arg-&gt;Gln substitution</name>
    <abbreviation>Arg-&gt;Gln</abbreviation>
    <unimod>642</unimod>
    <mono_mass>-28.042534</mono_mass>
  </ptm>
  <ptm>
    <name>Arg-&gt;Met substitution</name>
    <abbreviation>Arg-&gt;Met</abbreviation>
    <unimod>643</unimod>
    <mono_mass>-25.060626</mono_mass>
  </ptm>
  <ptm>
    <name>Arg-&gt;Cys substitution</name>
    <abbreviation>Arg-&gt;Cys</abbreviation>
    <unimod>644</unimod>
    <mono_mass>-53.091927</mono_mass>
  </ptm>
  <ptm>
    <name>Arg-&gt;Leu/Ile substitution</name>
    <abbreviation>Arg-&gt;Xle</abbreviation>
    <unimod>645</unimod>
    <mono_mass>-43.017047</mono_mass>
  </ptm>
  <ptm>
    <name>Arg-&gt;Gly substitution</name>
    <abbreviation>Arg-&gt;Gly</abbreviation>
    <unimod>646</unimod>
    <mono_mass>-99.079647</mono_mass>
  </ptm>
  <ptm>
    <name>Ser-&gt;Phe substitution</name>
    <abbreviation>Ser-&gt;Phe</abbreviation>
    <unimod>647</unimod>
    <mono_mass>60.036386</mono_mass>
  </ptm>
  <ptm>
    <name>Ser-&gt;Ala substitution</name>
    <abbreviation>Ser-&gt;Ala</abbreviation>
    <unimod>648</unimod>
    <mono_mass>-15.994915</mono_mass>
  </ptm>
  <ptm>
    <name>Ser-&gt;Trp substitution</name>
    <abbreviation>Ser-&gt;Trp</abbreviation>
    <unimod>649</unimod>
    <mono_mass>99.047285</mono_mass>
  </ptm>
  <ptm>
    <name>Ser-&gt;Thr substitution</name>
    <abbreviation>Ser-&gt;Thr</abbreviation>
    <unimod>650</unimod>
    <mono_mass>14.015650</mono_mass>
  </ptm>
  <ptm>
    <name>Ser-&gt;Asn substitution</name>
    <abbreviation>Ser-&gt;Asn</abbreviation>
    <unimod>651</unimod>
    <mono_mass>27.010899</mono_mass>
  </ptm>
  <ptm>
    <name>Ser-&gt;Pro substitution</name>
    <abbreviation>Ser-&gt;Pro</abbreviation>
    <unimod>652</unimod>
    <mono_mass>10.020735</mono_mass>
  </ptm>
  <ptm>
    <name>Ser-&gt;Tyr substitution</name>
    <abbreviation>Ser-&gt;Tyr</abbreviation>
    <unimod>653</unimod>
    <mono_mass>76.031300</mono_mass>
  </ptm>
  <ptm>
    <name>Ser-&gt;Cys substitution</name>
    <abbreviation>Ser-&gt;Cys</abbreviation>
    <unimod>654</unimod>
    <mono_mass>15.977156</mono_mass>
  </ptm>
  <ptm>
    <name>Ser-&gt;Arg substitution</name>
    <abbreviation>Ser-&gt;Arg</abbreviation>
    <unimod>655</unimod>
    <mono_mass>69.069083</mono_mass>
  </ptm>
  <ptm>
    <name>Ser-&gt;Leu/Ile substitution</name>
    <abbreviation>Ser-&gt;Xle</abbreviation>
    <unimod>656</unimod>
    <mono_mass>26.052036</mono_mass>
  </ptm>
  <ptm>
    <name>Ser-&gt;Gly substitution</name>
    <abbreviation>Ser-&gt;Gly</abbreviation>
    <unimod>657</unimod>
    <mono_mass>-30.010565</mono_mass>
  </ptm>
  <ptm>
    <name>Thr-&gt;Ser substitution</name>
    <abbreviation>Thr-&gt;Ser</abbreviation>
    <unimod>658</unimod>
    <mono_mass>-14.015650</mono_mass>
  </ptm>
  <ptm>
    <name>Thr-&gt;Ala substitution</name>
    <abbreviation>Thr-&gt;Ala</abbreviation>
    <unimod>659</unimod>
    <mono_mass>-30.010565</mono_mass>
  </ptm>
  <ptm>
    <name>Thr-&gt;Asn substitution</name>
    <abbreviation>Thr-&gt;Asn</abbreviation>
    <unimod>660</unimod>
    <mono_mass>12.995249</mono_mass>
  </ptm>
  <ptm>
    <name>Thr-&gt;Lys substitution</name>
    <abbreviation>Thr-&gt;Lys</abbreviation>
    <unimod>661</unimod>
    <mono_mass>27.047285</mono_mass>
  </ptm>
  <ptm>
    <name>Thr-&gt;Pro substitution</name>
    <abbreviation>Thr-&gt;Pro</abbreviation>
    <unimod>662</unimod>
    <mono_mass>-3.994915</mono_mass>
  </ptm>
  <ptm>
    <name>Thr-&gt;Met substitution</name>
    <abbreviation>Thr-&gt;Met</abbreviation>
    <unimod>663</unimod>
    <mono_mass>29.992806</mono_mass>
  </ptm>
  <ptm>
    <name>Thr-&gt;Leu/Ile substitution</name>
    <abbreviation>Thr-&gt;Xle</abbreviation>
    <unimod>664</unimod>
    <mono_mass>12.036386</mono_mass>
  </ptm>
  <ptm>
    <name>Thr-&gt;Arg substitution</name>
    <abbreviation>Thr-&gt;Arg</abbreviation>
    <unimod>665</unimod>
    <mono_mass>55.053433</mono_mass>
  </ptm>
  <ptm>
    <name>Val-&gt;Phe substitution</name>
    <abbreviation>Val-&gt;Phe</abbreviation>
    <unimod>666</unimod>
    <mono_mass>48.000000</mono_mass>
  </ptm>
  <ptm>
    <name>Val-&gt;Ala substitution</name>
    <abbreviation>Val-&gt;Ala</abbreviation>
    <unimod>667</unimod>
    <mono_mass>-28.031300</mono_mass>
  </ptm>
  <ptm>
    <name>Val-&gt;Glu substitution</name>
    <abbreviation>Val-&gt;Glu</abbreviation>
    <unimod>668</unimod>
    <mono_mass>29.974179</mono_mass>
  </ptm>
  <ptm>
    <name>Val-&gt;Met substitution</name>
    <abbreviation>Val-&gt;Met</abbreviation>
    <unimod>669</unimod>
    <mono_mass>31.972071</mono_mass>
  </ptm>
  <ptm>
    <name>Val-&gt;Asp substitution</name>
    <abbreviation>Val-&gt;Asp</abbreviation>
    <unimod>670</unimod>
    <mono_mass>15.958529</mono_mass>
  </ptm>
  <ptm>
    <name>Val-&gt;Leu/Ile substitution</name>
    <abbreviation>Val-&gt;Xle</abbreviation>
    <unimod>671</unimod>
    <mono_mass>14.015650</mono_mass>
  </ptm>
  <ptm>
    <name>Val-&gt;Gly substitution</name>
    <abbreviation>Val-&gt;Gly</abbreviation>
    <unimod>672</unimod>
    <mono_mass>-42.046950</mono_mass>
  </ptm>
  <ptm>
    <name>Trp-&gt;Ser substitution</name>
    <abbreviation>Trp-&gt;Ser</abbreviation>
    <unimod>673</unimod>
    <mono_mass>-99.047285</mono_mass>
  </ptm>
  <ptm>
    <name>Trp-&gt;Cys substitution</name>
    <abbreviation>Trp-&gt;Cys</abbreviation>
    <unimod>674</unimod>
    <mono_mass>-83.070128</mono_mass>
  </ptm>
  <ptm>
    <name>Trp-&gt;Arg substitution</name>
    <abbreviation>Trp-&gt;Arg</abbreviation>
    <unimod>675</unimod>
    <mono_mass>-29.978202</mono_mass>
  </ptm>
  <ptm>
    <name>Trp-&gt;Gly substitution</name>
    <abbreviation>Trp-&gt;Gly</abbreviation>
    <unimod>676</unimod>
    <mono_mass>-129.057849</mono_mass>
  </ptm>
  <ptm>
    <name>Trp-&gt;Leu/Ile substitution</name>
    <abbreviation>Trp-&gt;Xle</abbreviation>
    <unimod>677</unimod>
    <mono_mass>-72.995249</mono_mass>
  </ptm>
  <ptm>
    <name>Tyr-&gt;Phe substitution</name>
    <abbreviation>Tyr-&gt;Phe</abbreviation>
    <unimod>678</unimod>
    <mono_mass>-15.994915</mono_mass>
  </ptm>
  <ptm>
    <name>Tyr-&gt;Ser substitution</name>
    <abbreviation>Tyr-&gt;Ser</abbreviation>
    <unimod>679</unimod>
    <mono_mass>-76.031300</mono_mass>
  </ptm>
  <ptm>
    <name>Tyr-&gt;Asn substitution</name>
    <abbreviation>Tyr-&gt;Asn</abbreviation>
    <unimod>680</unimod>
    <mono_mass>-49.020401</mono_mass>
  </ptm>
  <ptm>
    <name>Tyr-&gt;His substitution</name>
    <abbreviation>Tyr-&gt;His</abbreviation>
    <unimod>681</unimod>
    <mono_mass>-26.004417</mono_mass>
  </ptm>
  <ptm>
    <name>Tyr-&gt;Asp substitution</name>
    <abbreviation>Tyr-&gt;Asp</abbreviation>
    <unimod>682</unimod>
    <mono_mass>-48.036386</mono_mass>
  </ptm>
  <ptm>
    <name>Tyr-&gt;Cys substitution</name>
    <abbreviation>Tyr-&gt;Cys</abbreviation>
    <unimod>683</unimod>
    <mono_mass>-60.054144</mono_mass>
  </ptm>
  <ptm>
    <name>Mass Defect Tag on lysine e-amino</name>
    <abbreviation>BDMAPP</abbreviation>
    <unimod>684</unimod>
    <mono_mass>253.010225</mono_mass>
  </ptm>
  <ptm>
    <name>Nitroalkylation by Nitro Linoleic Acid</name>
    <abbreviation>NA-LNO2</abbreviation>
    <unimod>685</unimod>
    <mono_mass>325.225309</mono_mass>
  </ptm>
  <ptm>
    <name>Nitroalkylation by Nitro Oleic Acid</name>
    <abbreviation>NA-OA-NO2</abbreviation>
    <unimod>686</unimod>
    <mono_mass>327.240959</mono_mass>
  </ptm>
  <ptm>
    <name>Bruker Daltonics SERVA-ICPL(TM) quantification chemistry, medium form</name>
    <abbreviation>ICPL:2H(4)</abbreviation>
    <unimod>687</unimod>
    <mono_mass>109.046571</mono_mass>
  </ptm>
  <ptm>
    <name>Carboxymethylated DTT modification of cysteine</name>
    <abbreviation>CarboxymethylDTT</abbreviation>
    <unimod>894</unimod>
    <mono_mass>210.002050</mono_mass>
  </ptm>
  <ptm>
    <name>Representative mass and accurate mass for 113, 114, 116 &amp; 117</name>
    <abbreviation>iTRAQ8plex</abbreviation>
    <unimod>730</unimod>
    <mono_mass>304.205360</mono_mass>
  </ptm>
  <ptm>
    <name>13C(6) 15N(1) Silac label</name>
    <abbreviation>Label:13C(6)15N(1)</abbreviation>
    <unimod>695</unimod>
    <mono_mass>7.017164</mono_mass>
  </ptm>
  <ptm>
    <name>13C(6) 15N(2) (D)9 SILAC label</name>
    <abbreviation>Label:2H(9)13C(6)15N(2)</abbreviation>
    <unimod>696</unimod>
    <mono_mass>17.070690</mono_mass>
  </ptm>
  <ptm>
    <name>Dehydrated 4-hydroxynonenal</name>
    <abbreviation>HNE-Delta:H(2)O</abbreviation>
    <unimod>720</unimod>
    <mono_mass>138.104465</mono_mass>
  </ptm>
  <ptm>
    <name>4-Oxononenal (ONE)</name>
    <abbreviation>4-ONE</abbreviation>
    <unimod>721</unimod>
    <mono_mass>154.099380</mono_mass>
  </ptm>
  <ptm>
    <name>O-Dimethylphosphorylation</name>
    <abbreviation>O-Dimethylphosphate</abbreviation>
    <unimod>723</unimod>
    <mono_mass>107.997631</mono_mass>
  </ptm>
  <ptm>
    <name>O-Methylphosphorylation</name>
    <abbreviation>O-Methylphosphate</abbreviation>
    <unimod>724</unimod>
    <mono_mass>93.981981</mono_mass>
  </ptm>
  <ptm>
    <name>O-Diethylphosphorylation</name>
    <abbreviation>Diethylphosphate</abbreviation>
    <unimod>725</unimod>
    <mono_mass>136.028931</mono_mass>
  </ptm>
  <ptm>
    <name>O-Ethylphosphorylation</name>
    <abbreviation>Ethylphosphate</abbreviation>
    <unimod>726</unimod>
    <mono_mass>107.997631</mono_mass>
  </ptm>
  <ptm>
    <name>O-pinacolylmethylphosphonylation</name>
    <abbreviation>O-pinacolylmethylphosphonate</abbreviation>
    <unimod>727</unimod>
    <mono_mass>162.080967</mono_mass>
  </ptm>
  <ptm>
    <name>Methylphosphonylation</name>
    <abbreviation>Methylphosphonate</abbreviation>
    <unimod>728</unimod>
    <mono_mass>77.987066</mono_mass>
  </ptm>
  <ptm>
    <name>O-Isopropylmethylphosphonylation</name>
    <abbreviation>O-Isopropylmethylphosphonate</abbreviation>
    <unimod>729</unimod>
    <mono_mass>120.034017</mono_mass>
  </ptm>
  <ptm>
    <name>Accurate mass for 115, 118, 119 &amp; 121</name>
    <abbreviation>iTRAQ8plex:13C(6)15N(2)</abbreviation>
    <unimod>731</unimod>
    <mono_mass>304.199040</mono_mass>
  </ptm>
  <ptm>
    <name>Dithiothreitol (DTT)</name>
    <abbreviation>DTT_ST</abbreviation>
    <unimod>735</unimod>
    <mono_mass>136.001656</mono_mass>
  </ptm>
  <ptm>
    <name>Carboxyl modification with ethanolamine</name>
    <abbreviation>Ethanolamine</abbreviation>
    <unimod>734</unimod>
    <mono_mass>43.042199</mono_mass>
  </ptm>
  <ptm>
    <name>Sixplex Tandem Mass Tag&#xAE;</name>
    <abbreviation>TMT6plex</abbreviation>
    <unimod>737</unimod>
    <mono_mass>229.162932</mono_mass>
  </ptm>
  <ptm>
    <name>Dithiothreitol (DTT) on Cys</name>
    <abbreviation>DTT_C</abbreviation>
    <unimod>736</unimod>
    <mono_mass>120.024500</mono_mass>
  </ptm>
  <ptm>
    <name>Duplex Tandem Mass Tag&#xAE;</name>
    <abbreviation>TMT2plex</abbreviation>
    <unimod>738</unimod>
    <mono_mass>225.155833</mono_mass>
  </ptm>
  <ptm>
    <name>Native Tandem Mass Tag&#xAE;</name>
    <abbreviation>TMT</abbreviation>
    <unimod>739</unimod>
    <mono_mass>224.152478</mono_mass>
  </ptm>
  <ptm>
    <name>ExacTag Thiol label mass for 2-4-7-10 plex</name>
    <abbreviation>ExacTagThiol</abbreviation>
    <unimod>740</unimod>
    <mono_mass>972.365219</mono_mass>
  </ptm>
  <ptm>
    <name>ExacTag Amine label mass for 2-4-7-10 plex</name>
    <abbreviation>ExacTagAmine</abbreviation>
    <unimod>741</unimod>
    <mono_mass>1046.347854</mono_mass>
  </ptm>
  <ptm>
    <name>Nitroso Sulfamethoxazole Sulphenamide thiol adduct</name>
    <abbreviation>NO_SMX_SEMD</abbreviation>
    <unimod>744</unimod>
    <mono_mass>252.044287</mono_mass>
  </ptm>
  <ptm>
    <name>Dehydrated 4-Oxononenal Michael adduct</name>
    <abbreviation>4-ONE+Delta:H(-2)O(-1)</abbreviation>
    <unimod>743</unimod>
    <mono_mass>136.088815</mono_mass>
  </ptm>
  <ptm>
    <name>Nitroso Sulfamethoxazole semimercaptal thiol adduct</name>
    <abbreviation>NO_SMX_SMCT</abbreviation>
    <unimod>745</unimod>
    <mono_mass>268.039202</mono_mass>
  </ptm>
  <ptm>
    <name>Nitroso Sulfamethoxazole Sulfinamide thiol adduct</name>
    <abbreviation>NO_SMX_SIMD</abbreviation>
    <unimod>746</unimod>
    <mono_mass>267.031377</mono_mass>
  </ptm>
  <ptm>
    <name>Malonylation of C and S residues</name>
    <abbreviation>Malonyl</abbreviation>
    <unimod>747</unimod>
    <mono_mass>86.000394</mono_mass>
  </ptm>
  <ptm>
    <name>derivatization by N-term modification using 3-Sulfobenzoic succinimidyl ester</name>
    <abbreviation>3sulfo</abbreviation>
    <unimod>748</unimod>
    <mono_mass>183.983029</mono_mass>
  </ptm>
  <ptm>
    <name>trifluoroleucine replacement of leucine</name>
    <abbreviation>trifluoro</abbreviation>
    <unimod>750</unimod>
    <mono_mass>53.971735</mono_mass>
  </ptm>
  <ptm>
    <name>tri nitro benzene</name>
    <abbreviation>TNBS</abbreviation>
    <unimod>751</unimod>
    <mono_mass>210.986535</mono_mass>
  </ptm>
  <ptm>
    <name>Alkylation by biotinylated form of phenacyl bromide</name>
    <abbreviation>Biotin-phenacyl</abbreviation>
    <unimod>774</unimod>
    <mono_mass>626.263502</mono_mass>
  </ptm>
  <ptm>
    <name>Isotopically labeled Dithiothreitol (DTT) modification of cysteines</name>
    <abbreviation>DTT_C:2H(6)</abbreviation>
    <unimod>764</unimod>
    <mono_mass>126.062161</mono_mass>
  </ptm>
  <ptm>
    <name>lapachenole photochemically added to cysteine</name>
    <abbreviation>lapachenole</abbreviation>
    <unimod>771</unimod>
    <mono_mass>240.115030</mono_mass>
  </ptm>
  <ptm>
    <name>13C(5) Silac label</name>
    <abbreviation>Label:13C(5)</abbreviation>
    <unimod>772</unimod>
    <mono_mass>5.016774</mono_mass>
  </ptm>
  <ptm>
    <name>maleimide</name>
    <abbreviation>maleimide</abbreviation>
    <unimod>773</unimod>
    <mono_mass>97.016378</mono_mass>
  </ptm>
  <ptm>
    <name>Isotope Distribution Encoded Tag</name>
    <abbreviation>IDEnT</abbreviation>
    <unimod>762</unimod>
    <mono_mass>214.990469</mono_mass>
  </ptm>
  <ptm>
    <name>Isotopically labeled Dithiothreitol (DTT) modification of serines or threonines</name>
    <abbreviation>DTT_ST:2H(6)</abbreviation>
    <unimod>763</unimod>
    <mono_mass>142.039317</mono_mass>
  </ptm>
  <ptm>
    <name>Removal of initiator methionine from protein N-terminus</name>
    <abbreviation>Met-loss</abbreviation>
    <unimod>765</unimod>
    <mono_mass>-131.040485</mono_mass>
  </ptm>
  <ptm>
    <name>Removal of initiator methionine from protein N-terminus, then acetylation of the new N-terminus</name>
    <abbreviation>Met-loss+Acetyl</abbreviation>
    <unimod>766</unimod>
    <mono_mass>-89.029920</mono_mass>
  </ptm>
  <ptm>
    <name>Menadione hydroquinone derivative</name>
    <abbreviation>Menadione-HQ</abbreviation>
    <unimod>767</unimod>
    <mono_mass>172.052430</mono_mass>
  </ptm>
  <ptm>
    <name>Iodoacetic acid derivative w/ 13C label</name>
    <abbreviation>Carboxymethyl:13C(2)</abbreviation>
    <unimod>775</unimod>
    <mono_mass>60.012189</mono_mass>
  </ptm>
  <ptm>
    <name>D5 N-ethylmaleimide on cysteines</name>
    <abbreviation>NEM:2H(5)</abbreviation>
    <unimod>776</unimod>
    <mono_mass>130.079062</mono_mass>
  </ptm>
  <ptm>
    <name>Enzymatic glycine removal leaving an amidated C-terminus</name>
    <abbreviation>Gly-loss+Amide</abbreviation>
    <unimod>822</unimod>
    <mono_mass>-58.005479</mono_mass>
  </ptm>
  <ptm>
    <name>tris(2,4,6-trimethoxyphenyl)phosphonium acetic acid N-hydroxysuccinimide ester derivative</name>
    <abbreviation>TMPP-Ac</abbreviation>
    <unimod>827</unimod>
    <mono_mass>572.181134</mono_mass>
  </ptm>
  <ptm>
    <name>13C6 labeled ubiquitinylation residue</name>
    <abbreviation>Label:13C(6)+GG</abbreviation>
    <unimod>799</unimod>
    <mono_mass>120.063056</mono_mass>
  </ptm>
  <ptm>
    <name>Arginine replacement by Nitropyrimidyl ornithine</name>
    <abbreviation>Arg-&gt;Npo</abbreviation>
    <unimod>837</unimod>
    <mono_mass>80.985078</mono_mass>
  </ptm>
  <ptm>
    <name>Acetyl 4,4,5,5-D4 Lysine</name>
    <abbreviation>Label:2H(4)+Acetyl</abbreviation>
    <unimod>834</unimod>
    <mono_mass>46.035672</mono_mass>
  </ptm>
  <ptm>
    <name>Labeling transglutaminase substrate on glutamine side chain</name>
    <abbreviation>Pentylamine</abbreviation>
    <unimod>801</unimod>
    <mono_mass>85.089149</mono_mass>
  </ptm>
  <ptm>
    <name>was PentylamineBiotin</name>
    <abbreviation>Biotin:Thermo-21345</abbreviation>
    <unimod>800</unimod>
    <mono_mass>311.166748</mono_mass>
  </ptm>
  <ptm>
    <name>Dihydroxy methylglyoxal adduct</name>
    <abbreviation>Dihydroxyimidazolidine</abbreviation>
    <unimod>830</unimod>
    <mono_mass>72.021129</mono_mass>
  </ptm>
  <ptm>
    <name>Addition of DFDNB crosslinker</name>
    <abbreviation>DFDNB</abbreviation>
    <unimod>825</unimod>
    <mono_mass>203.998263</mono_mass>
  </ptm>
  <ptm>
    <name>fluorescent dye that labels cysteines</name>
    <abbreviation>Cy3b-maleimide</abbreviation>
    <unimod>821</unimod>
    <mono_mass>682.246120</mono_mass>
  </ptm>
  <ptm>
    <name>Hex1HexNAc1</name>
    <abbreviation>Hex(1)HexNAc(1)</abbreviation>
    <unimod>793</unimod>
    <mono_mass>365.132196</mono_mass>
  </ptm>
  <ptm>
    <name>deuterium cysteamine modification to S or T</name>
    <abbreviation>AEC-MAEC:2H(4)</abbreviation>
    <unimod>792</unimod>
    <mono_mass>63.044462</mono_mass>
  </ptm>
  <ptm>
    <name>Addition of BMOE crosslinker</name>
    <abbreviation>BMOE</abbreviation>
    <unimod>824</unimod>
    <mono_mass>220.048407</mono_mass>
  </ptm>
  <ptm>
    <name>was Biotin-PEO4-hydrazide</name>
    <abbreviation>Biotin:Thermo-21360</abbreviation>
    <unimod>811</unimod>
    <mono_mass>487.246455</mono_mass>
  </ptm>
  <ptm>
    <name>Acetyl 13C(6) Silac label</name>
    <abbreviation>Label:13C(6)+Acetyl</abbreviation>
    <unimod>835</unimod>
    <mono_mass>48.030694</mono_mass>
  </ptm>
  <ptm>
    <name>Acetyl_13C(6) 15N(2) Silac label</name>
    <abbreviation>Label:13C(6)15N(2)+Acetyl</abbreviation>
    <unimod>836</unimod>
    <mono_mass>50.024764</mono_mass>
  </ptm>
  <ptm>
    <name>Sumo mutant Smt3-WT tail following trypsin digestion</name>
    <abbreviation>EQIGG</abbreviation>
    <unimod>846</unimod>
    <mono_mass>484.228162</mono_mass>
  </ptm>
  <ptm>
    <name>S-guanylation</name>
    <abbreviation>cGMP</abbreviation>
    <unimod>849</unimod>
    <mono_mass>343.031785</mono_mass>
  </ptm>
  <ptm>
    <name>S-guanylation-2</name>
    <abbreviation>cGMP+RMP-loss</abbreviation>
    <unimod>851</unimod>
    <mono_mass>150.041585</mono_mass>
  </ptm>
  <ptm>
    <name>mTRAQ light</name>
    <abbreviation>mTRAQ</abbreviation>
    <unimod>888</unimod>
    <mono_mass>140.094963</mono_mass>
  </ptm>
  <ptm>
    <name>Adduct of phenylglyoxal with Arg</name>
    <abbreviation>Arg2PG</abbreviation>
    <unimod>848</unimod>
    <mono_mass>266.057909</mono_mass>
  </ptm>
  <ptm>
    <name>Ubiquitination 2H4 lysine</name>
    <abbreviation>Label:2H(4)+GG</abbreviation>
    <unimod>853</unimod>
    <mono_mass>118.068034</mono_mass>
  </ptm>
  <ptm>
    <name>spermine adduct</name>
    <abbreviation>spermine</abbreviation>
    <unimod>1420</unimod>
    <mono_mass>185.189198</mono_mass>
  </ptm>
  <ptm>
    <name>SILAC</name>
    <abbreviation>Label:13C(1)2H(3)</abbreviation>
    <unimod>862</unimod>
    <mono_mass>4.022185</mono_mass>
  </ptm>
  <ptm>
    <name>NHS ester linked Green Fluorescent Bodipy Dye</name>
    <abbreviation>ZGB</abbreviation>
    <unimod>861</unimod>
    <mono_mass>758.380841</mono_mass>
  </ptm>
  <ptm>
    <name>Methylglyoxal-derived hydroimidazolone</name>
    <abbreviation>MG-H1</abbreviation>
    <unimod>859</unimod>
    <mono_mass>54.010565</mono_mass>
  </ptm>
  <ptm>
    <name>Glyoxal-derived hydroimiadazolone</name>
    <abbreviation>G-H1</abbreviation>
    <unimod>860</unimod>
    <mono_mass>39.994915</mono_mass>
  </ptm>
  <ptm>
    <name>13C(6) 15N(2) Lysine glygly</name>
    <abbreviation>Label:13C(6)15N(2)+GG</abbreviation>
    <unimod>864</unimod>
    <mono_mass>122.057126</mono_mass>
  </ptm>
  <ptm>
    <name>Bruker Daltonics SERVA-ICPL(TM) quantification chemistry, +10 Da form</name>
    <abbreviation>ICPL:13C(6)2H(4)</abbreviation>
    <unimod>866</unimod>
    <mono_mass>115.066700</mono_mass>
  </ptm>
  <ptm>
    <name>Thiol-reactive dye for fluorescence labelling of proteins</name>
    <abbreviation>DyLight-maleimide</abbreviation>
    <unimod>890</unimod>
    <mono_mass>940.199900</mono_mass>
  </ptm>
  <ptm>
    <name>mTRAQ medium</name>
    <abbreviation>mTRAQ:13C(3)15N(1)</abbreviation>
    <unimod>889</unimod>
    <mono_mass>144.102063</mono_mass>
  </ptm>
  <ptm>
    <name>Methyl-PEO12-Maleimide</name>
    <abbreviation>Methyl-PEO12-Maleimide</abbreviation>
    <unimod>891</unimod>
    <mono_mass>710.383719</mono_mass>
  </ptm>
  <ptm>
    <name>covalent linkage of maleimidyl coumarin probe (Molecular Probes D-10253)</name>
    <abbreviation>MDCC</abbreviation>
    <unimod>887</unimod>
    <mono_mass>383.148121</mono_mass>
  </ptm>
  <ptm>
    <name>SUMOylation by SUMO-2/3</name>
    <abbreviation>QQQTGG</abbreviation>
    <unimod>877</unimod>
    <mono_mass>599.266339</mono_mass>
  </ptm>
  <ptm>
    <name>SUMOylation by SUMO-1</name>
    <abbreviation>QEQTGG</abbreviation>
    <unimod>876</unimod>
    <mono_mass>600.250354</mono_mass>
  </ptm>
  <ptm>
    <name>2-ammonio-6-[4-(hydroxymethyl)-3-oxidopyridinium-1-yl]- hexanoate</name>
    <abbreviation>HydroxymethylOP</abbreviation>
    <unimod>886</unimod>
    <mono_mass>108.021129</mono_mass>
  </ptm>
  <ptm>
    <name>was ChromoBiotin</name>
    <abbreviation>Biotin:Thermo-21325</abbreviation>
    <unimod>884</unimod>
    <mono_mass>695.310118</mono_mass>
  </ptm>
  <ptm>
    <name>Oxidised methionine 13C(1)2H(3) SILAC label</name>
    <abbreviation>Label:13C(1)2H(3)+Oxidation</abbreviation>
    <unimod>885</unimod>
    <mono_mass>20.017100</mono_mass>
  </ptm>
  <ptm>
    <name>Bodipy modifications onto cysteine</name>
    <abbreviation>Bodipy</abbreviation>
    <unimod>878</unimod>
    <mono_mass>414.167478</mono_mass>
  </ptm>
  <ptm>
    <name>Biotin polyethyleneoxide (n=3) alkyne</name>
    <abbreviation>Biotin-PEG-PRA</abbreviation>
    <unimod>895</unimod>
    <mono_mass>578.317646</mono_mass>
  </ptm>
  <ptm>
    <name>Methionine replacement by azido homoalanine</name>
    <abbreviation>Met-&gt;Aha</abbreviation>
    <unimod>896</unimod>
    <mono_mass>-4.986324</mono_mass>
  </ptm>
  <ptm>
    <name>SILAC 15N(4)</name>
    <abbreviation>Label:15N(4)</abbreviation>
    <unimod>897</unimod>
    <mono_mass>3.988140</mono_mass>
  </ptm>
  <ptm>
    <name>pyrophosphorylation of Ser/Thr</name>
    <abbreviation>pyrophospho</abbreviation>
    <unimod>898</unimod>
    <mono_mass>159.932662</mono_mass>
  </ptm>
  <ptm>
    <name>methionine replacement by homopropargylglycine</name>
    <abbreviation>Met-&gt;Hpg</abbreviation>
    <unimod>899</unimod>
    <mono_mass>-21.987721</mono_mass>
  </ptm>
  <ptm>
    <name>2,3,4,6-tetra-O-Acetyl-1-allyl-alpha-D-galactopyranoside modification of cysteine</name>
    <abbreviation>4AcAllylGal</abbreviation>
    <unimod>901</unimod>
    <mono_mass>372.142033</mono_mass>
  </ptm>
  <ptm>
    <name>Reaction with dimethylarsinous (AsIII) acid</name>
    <abbreviation>DimethylArsino</abbreviation>
    <unimod>902</unimod>
    <mono_mass>103.960719</mono_mass>
  </ptm>
  <ptm>
    <name>Lys-&gt;Cys substitution and carbamidomethylation</name>
    <abbreviation>Lys-&gt;CamCys</abbreviation>
    <unimod>903</unimod>
    <mono_mass>31.935685</mono_mass>
  </ptm>
  <ptm>
    <name>Phe-&gt;Cys substitution and carbamidomethylation</name>
    <abbreviation>Phe-&gt;CamCys</abbreviation>
    <unimod>904</unimod>
    <mono_mass>12.962234</mono_mass>
  </ptm>
  <ptm>
    <name>Leu-&gt;Met substitution and sulfoxidation</name>
    <abbreviation>Leu-&gt;MetOx</abbreviation>
    <unimod>905</unimod>
    <mono_mass>33.951335</mono_mass>
  </ptm>
  <ptm>
    <name>Lys-&gt;Met substitution and sulfoxidation</name>
    <abbreviation>Lys-&gt;MetOx</abbreviation>
    <unimod>906</unimod>
    <mono_mass>18.940436</mono_mass>
  </ptm>
  <ptm>
    <name>Gluconoylation</name>
    <abbreviation>Galactosyl</abbreviation>
    <unimod>907</unimod>
    <mono_mass>178.047738</mono_mass>
  </ptm>
  <ptm>
    <name>Modified SMCC maleimide with 3-(dimethylamino)-1-propylamine</name>
    <abbreviation>SMCC-maleimide</abbreviation>
    <unimod>908</unimod>
    <mono_mass>321.205242</mono_mass>
  </ptm>
  <ptm>
    <name>2,4-diacetamido-2,4,6-trideoxyglucopyranose</name>
    <abbreviation>Bacillosamine</abbreviation>
    <unimod>910</unimod>
    <mono_mass>228.111007</mono_mass>
  </ptm>
  <ptm>
    <name>Cys modification by (1-oxyl-2,2,5,5-tetramethyl-3-pyrroline-3-methyl)methanesulfonate (MTSL)</name>
    <abbreviation>MTSL</abbreviation>
    <unimod>911</unimod>
    <mono_mass>184.079610</mono_mass>
  </ptm>
  <ptm>
    <name>4-hydroxy-2-nonenal and biotinamidohexanoic acid hydrazide, reduced</name>
    <abbreviation>HNE-BAHAH</abbreviation>
    <unimod>912</unimod>
    <mono_mass>511.319226</mono_mass>
  </ptm>
  <ptm>
    <name>Ethoxyformylation</name>
    <abbreviation>Ethoxyformyl</abbreviation>
    <unimod>915</unimod>
    <mono_mass>72.021129</mono_mass>
  </ptm>
  <ptm>
    <name>Methylmalonylation on Serine</name>
    <abbreviation>Methylmalonylation</abbreviation>
    <unimod>914</unimod>
    <mono_mass>100.016044</mono_mass>
  </ptm>
  <ptm>
    <name>Cysteine modifier</name>
    <abbreviation>AROD</abbreviation>
    <unimod>938</unimod>
    <mono_mass>820.336015</mono_mass>
  </ptm>
  <ptm>
    <name>carbamidomethylated Cys that undergoes beta-elimination and Michael addition of methylamine</name>
    <abbreviation>Cys-&gt;methylaminoAla</abbreviation>
    <unimod>939</unimod>
    <mono_mass>-2.945522</mono_mass>
  </ptm>
  <ptm>
    <name>Carbamidomethylated Cys that undergoes beta-elimination and Michael addition of ethylamine</name>
    <abbreviation>Cys-&gt;ethylaminoAla</abbreviation>
    <unimod>940</unimod>
    <mono_mass>11.070128</mono_mass>
  </ptm>
  <ptm>
    <name>13C(4) 15N(2) Lysine glygly</name>
    <abbreviation>Label:13C(4)15N(2)+GG</abbreviation>
    <unimod>923</unimod>
    <mono_mass>120.050417</mono_mass>
  </ptm>
  <ptm>
    <name>ethyl amino</name>
    <abbreviation>ethylamino</abbreviation>
    <unimod>926</unimod>
    <mono_mass>27.047285</mono_mass>
  </ptm>
  <ptm>
    <name>2-OH-ethyl thio-Ser</name>
    <abbreviation>MercaptoEthanol</abbreviation>
    <unimod>928</unimod>
    <mono_mass>60.003371</mono_mass>
  </ptm>
  <ptm>
    <name>High molecular absorption maleimide label for proteins</name>
    <abbreviation>Atto495Maleimide</abbreviation>
    <unimod>935</unimod>
    <mono_mass>474.250515</mono_mass>
  </ptm>
  <ptm>
    <name>Photocleavable Biotin + GalNAz on O-GlcNAc</name>
    <abbreviation>AMTzHexNAc2</abbreviation>
    <unimod>934</unimod>
    <mono_mass>502.202341</mono_mass>
  </ptm>
  <ptm>
    <name>deamidation followed by esterification with ethanol</name>
    <abbreviation>Ethyl+Deamidated</abbreviation>
    <unimod>931</unimod>
    <mono_mass>29.015316</mono_mass>
  </ptm>
  <ptm>
    <name>SUMOylation by SUMO-2/3 (formic acid cleavage)</name>
    <abbreviation>VFQQQTGG</abbreviation>
    <unimod>932</unimod>
    <mono_mass>845.403166</mono_mass>
  </ptm>
  <ptm>
    <name>SUMOylation by SUMO-1 (formic acid cleavage)</name>
    <abbreviation>VIEVYQEQTGG</abbreviation>
    <unimod>933</unimod>
    <mono_mass>1203.577168</mono_mass>
  </ptm>
  <ptm>
    <name>Chlorination of tyrosine residues</name>
    <abbreviation>Chlorination</abbreviation>
    <unimod>936</unimod>
    <mono_mass>33.961028</mono_mass>
  </ptm>
  <ptm>
    <name>Dichlorination</name>
    <abbreviation>dichlorination</abbreviation>
    <unimod>937</unimod>
    <mono_mass>67.922055</mono_mass>
  </ptm>
  <ptm>
    <name>2,4-Dinitrobenzenesulfenyl</name>
    <abbreviation>DNPS</abbreviation>
    <unimod>941</unimod>
    <mono_mass>198.981352</mono_mass>
  </ptm>
  <ptm>
    <name>High molecular absorption label for proteins</name>
    <abbreviation>SulfoGMBS</abbreviation>
    <unimod>942</unimod>
    <mono_mass>458.162391</mono_mass>
  </ptm>
  <ptm>
    <name>Modified GMBS X linker for proteins</name>
    <abbreviation>DimethylamineGMBS</abbreviation>
    <unimod>943</unimod>
    <mono_mass>267.158292</mono_mass>
  </ptm>
  <ptm>
    <name>SILAC label</name>
    <abbreviation>Label:15N(2)2H(9)</abbreviation>
    <unimod>944</unimod>
    <mono_mass>11.050561</mono_mass>
  </ptm>
  <ptm>
    <name>Levuglandinyl-lysine anhydrolactam adduct</name>
    <abbreviation>LG-anhydrolactam</abbreviation>
    <unimod>946</unimod>
    <mono_mass>314.188195</mono_mass>
  </ptm>
  <ptm>
    <name>Levuglandinyl-lysine pyrrole adduct</name>
    <abbreviation>LG-pyrrole</abbreviation>
    <unimod>947</unimod>
    <mono_mass>316.203845</mono_mass>
  </ptm>
  <ptm>
    <name>Levuglandinyl-lysine anhyropyrrole adduct</name>
    <abbreviation>LG-anhyropyrrole</abbreviation>
    <unimod>948</unimod>
    <mono_mass>298.193280</mono_mass>
  </ptm>
  <ptm>
    <name>Condensation product of 3-deoxyglucosone</name>
    <abbreviation>3-deoxyglucosone</abbreviation>
    <unimod>949</unimod>
    <mono_mass>144.042259</mono_mass>
  </ptm>
  <ptm>
    <name>Replacement of proton by lithium</name>
    <abbreviation>Cation:Li</abbreviation>
    <unimod>950</unimod>
    <mono_mass>6.008178</mono_mass>
  </ptm>
  <ptm>
    <name>Replacement of 2 protons by calcium</name>
    <abbreviation>Cation:Ca[II]</abbreviation>
    <unimod>951</unimod>
    <mono_mass>37.946941</mono_mass>
  </ptm>
  <ptm>
    <name>Replacement of 2 protons by iron</name>
    <abbreviation>Cation:Fe[II]</abbreviation>
    <unimod>952</unimod>
    <mono_mass>53.919289</mono_mass>
  </ptm>
  <ptm>
    <name>Replacement of 2 protons by nickel</name>
    <abbreviation>Cation:Ni[II]</abbreviation>
    <unimod>953</unimod>
    <mono_mass>55.919696</mono_mass>
  </ptm>
  <ptm>
    <name>Replacement of 2 protons by zinc</name>
    <abbreviation>Cation:Zn[II]</abbreviation>
    <unimod>954</unimod>
    <mono_mass>61.913495</mono_mass>
  </ptm>
  <ptm>
    <name>Replacement of proton by silver</name>
    <abbreviation>Cation:Ag</abbreviation>
    <unimod>955</unimod>
    <mono_mass>105.897267</mono_mass>
  </ptm>
  <ptm>
    <name>Replacement of 2 protons by magnesium</name>
    <abbreviation>Cation:Mg[II]</abbreviation>
    <unimod>956</unimod>
    <mono_mass>21.969392</mono_mass>
  </ptm>
  <ptm>
    <name>S-(2-succinyl) cysteine</name>
    <abbreviation>2-succinyl</abbreviation>
    <unimod>957</unimod>
    <mono_mass>116.010959</mono_mass>
  </ptm>
  <ptm>
    <name>propargylamine</name>
    <abbreviation>Propargylamine</abbreviation>
    <unimod>958</unimod>
    <mono_mass>37.031634</mono_mass>
  </ptm>
  <ptm>
    <name>phospho-propargylamine</name>
    <abbreviation>Phosphopropargyl</abbreviation>
    <unimod>959</unimod>
    <mono_mass>116.997965</mono_mass>
  </ptm>
  <ptm>
    <name>SUMOylation by SUMO-1 after tryptic cleavage</name>
    <abbreviation>SUMO2135</abbreviation>
    <unimod>960</unimod>
    <mono_mass>2135.920496</mono_mass>
  </ptm>
  <ptm>
    <name>SUMOylation by SUMO-2/3 after tryptic cleavage</name>
    <abbreviation>SUMO3549</abbreviation>
    <unimod>961</unimod>
    <mono_mass>3549.536568</mono_mass>
  </ptm>
  <ptm>
    <name>O,O-diethyl o-3,5,6-trichloro-2-pyridyl phosphorothioate</name>
    <abbreviation>Chlorpyrifos</abbreviation>
    <unimod>975</unimod>
    <mono_mass>153.013912</mono_mass>
  </ptm>
  <ptm>
    <name>Benzyl isothiocyanate</name>
    <abbreviation>BITC</abbreviation>
    <unimod>978</unimod>
    <mono_mass>149.029920</mono_mass>
  </ptm>
  <ptm>
    <name>2,3-dihydro-2,2-dimethyl-7-benzofuranol N-methyl carbamate</name>
    <abbreviation>Carbofuran</abbreviation>
    <unimod>977</unimod>
    <mono_mass>58.029289</mono_mass>
  </ptm>
  <ptm>
    <name>Phenethyl isothiocyanate</name>
    <abbreviation>PEITC</abbreviation>
    <unimod>979</unimod>
    <mono_mass>163.045570</mono_mass>
  </ptm>
  <ptm>
    <name>membrane protein extraction</name>
    <abbreviation>thioacylPA</abbreviation>
    <unimod>967</unimod>
    <mono_mass>159.035399</mono_mass>
  </ptm>
  <ptm>
    <name>maleimide-3-saccharide</name>
    <abbreviation>maleimide3</abbreviation>
    <unimod>971</unimod>
    <mono_mass>969.366232</mono_mass>
  </ptm>
  <ptm>
    <name>maleimide-5-saccharide</name>
    <abbreviation>maleimide5</abbreviation>
    <unimod>972</unimod>
    <mono_mass>1293.471879</mono_mass>
  </ptm>
  <ptm>
    <name>Puromycin</name>
    <abbreviation>Puromycin</abbreviation>
    <unimod>973</unimod>
    <mono_mass>453.212452</mono_mass>
  </ptm>
  <ptm>
    <name>Condensation product of glucosone</name>
    <abbreviation>glucosone</abbreviation>
    <unimod>981</unimod>
    <mono_mass>160.037173</mono_mass>
  </ptm>
  <ptm>
    <name>Dimethyl 13C(6) Silac label</name>
    <abbreviation>Label:13C(6)+Dimethyl</abbreviation>
    <unimod>986</unimod>
    <mono_mass>34.051429</mono_mass>
  </ptm>
  <ptm>
    <name>Native cysteine-reactive Tandem Mass Tag&#xAE;</name>
    <abbreviation>cysTMT</abbreviation>
    <unimod>984</unimod>
    <mono_mass>299.166748</mono_mass>
  </ptm>
  <ptm>
    <name>cysteine-reactive Sixplex Tandem Mass Tag&#xAE;</name>
    <abbreviation>cysTMT6plex</abbreviation>
    <unimod>985</unimod>
    <mono_mass>304.177202</mono_mass>
  </ptm>
  <ptm>
    <name>ISD (z+2)-series</name>
    <abbreviation>ISD_z+2_ion</abbreviation>
    <unimod>991</unimod>
    <mono_mass>-15.010899</mono_mass>
  </ptm>
  <ptm>
    <name>replacement of proton with ammonium ion</name>
    <abbreviation>Ammonium</abbreviation>
    <unimod>989</unimod>
    <mono_mass>17.026549</mono_mass>
  </ptm>
  <ptm>
    <name>was Biotin-maleimide</name>
    <abbreviation>Biotin:Sigma-B1267</abbreviation>
    <unimod>993</unimod>
    <mono_mass>449.173290</mono_mass>
  </ptm>
  <ptm>
    <name>15N(1)</name>
    <abbreviation>Label:15N(1)</abbreviation>
    <unimod>994</unimod>
    <mono_mass>0.997035</mono_mass>
  </ptm>
  <ptm>
    <name>15N(2)</name>
    <abbreviation>Label:15N(2)</abbreviation>
    <unimod>995</unimod>
    <mono_mass>1.994070</mono_mass>
  </ptm>
  <ptm>
    <name>15N(3)</name>
    <abbreviation>Label:15N(3)</abbreviation>
    <unimod>996</unimod>
    <mono_mass>2.991105</mono_mass>
  </ptm>
  <ptm>
    <name>aminotyrosine with sulfation</name>
    <abbreviation>sulfo+amino</abbreviation>
    <unimod>997</unimod>
    <mono_mass>94.967714</mono_mass>
  </ptm>
  <ptm>
    <name>Azidohomoalanine (AHA) bound to propargylglycine-NH2 (alkyne)</name>
    <abbreviation>AHA-Alkyne</abbreviation>
    <unimod>1000</unimod>
    <mono_mass>107.077339</mono_mass>
  </ptm>
  <ptm>
    <name>Azidohomoalanine (AHA) bound to DDDDK-propargylglycine-NH2 (alkyne)</name>
    <abbreviation>AHA-Alkyne-KDDDD</abbreviation>
    <unimod>1001</unimod>
    <mono_mass>695.280074</mono_mass>
  </ptm>
  <ptm>
    <name>(-)-epigallocatechin-3-gallate</name>
    <abbreviation>EGCG1</abbreviation>
    <unimod>1002</unimod>
    <mono_mass>456.069261</mono_mass>
  </ptm>
  <ptm>
    <name>(-)-dehydroepigallocatechin</name>
    <abbreviation>EGCG2</abbreviation>
    <unimod>1003</unimod>
    <mono_mass>287.055563</mono_mass>
  </ptm>
  <ptm>
    <name>Monomethylated Arg13C(6) 15N(4)</name>
    <abbreviation>Label:13C(6)15N(4)+Methyl</abbreviation>
    <unimod>1004</unimod>
    <mono_mass>24.023919</mono_mass>
  </ptm>
  <ptm>
    <name>Dimethylated Arg13C(6) 15N(4)</name>
    <abbreviation>Label:13C(6)15N(4)+Dimethyl</abbreviation>
    <unimod>1005</unimod>
    <mono_mass>38.039569</mono_mass>
  </ptm>
  <ptm>
    <name>2H(3) 13C(1) monomethylated Arg13C(6) 15N(4)</name>
    <abbreviation>Label:13C(6)15N(4)+Methyl:2H(3)13C(1)</abbreviation>
    <unimod>1006</unimod>
    <mono_mass>28.046104</mono_mass>
  </ptm>
  <ptm>
    <name>2H(6) 13C(2) Dimethylated Arg13C(6) 15N(4)</name>
    <abbreviation>Label:13C(6)15N(4)+Dimethyl:2H(6)13C(2)</abbreviation>
    <unimod>1007</unimod>
    <mono_mass>46.083939</mono_mass>
  </ptm>
  <ptm>
    <name>Sec Iodoacetamide derivative</name>
    <abbreviation>SecCarbamidomethyl</abbreviation>
    <unimod>1008</unimod>
    <mono_mass>104.965913</mono_mass>
  </ptm>
  <ptm>
    <name>Addition of Carbon to cysteine</name>
    <abbreviation>Thiazolidine</abbreviation>
    <unimod>1009</unimod>
    <mono_mass>12.000000</mono_mass>
  </ptm>
  <ptm>
    <name>Addition of DEDGFLYMVYASQETFG</name>
    <abbreviation>DEDGFLYMVYASQETFG</abbreviation>
    <unimod>1010</unimod>
    <mono_mass>1970.824411</mono_mass>
  </ptm>
  <ptm>
    <name>Nalpha-(3-maleimidylpropionyl)biocytin</name>
    <abbreviation>Biotin:Invitrogen-M1602</abbreviation>
    <unimod>1012</unimod>
    <mono_mass>523.210069</mono_mass>
  </ptm>
  <ptm>
    <name>Water-quenched monolink of DSS/BS3 crosslinker to Lys or N-terminus</name>
    <abbreviation>Xlink:DSS</abbreviation>
    <unimod>1020</unimod>
    <mono_mass>156.078644</mono_mass>
  </ptm>
  <ptm>
    <name>DMPO spin-trap nitrone adduct</name>
    <abbreviation>DMPO</abbreviation>
    <unimod>1017</unimod>
    <mono_mass>111.068414</mono_mass>
  </ptm>
  <ptm>
    <name>glycidamide adduct</name>
    <abbreviation>glycidamide</abbreviation>
    <unimod>1014</unimod>
    <mono_mass>87.032028</mono_mass>
  </ptm>
  <ptm>
    <name>C-terminal homoserine lactone and two aminohexanoic acids</name>
    <abbreviation>Ahx2+Hsl</abbreviation>
    <unimod>1015</unimod>
    <mono_mass>309.205242</mono_mass>
  </ptm>
  <ptm>
    <name>Isotope-Coded Dimedone light form</name>
    <abbreviation>ICDID</abbreviation>
    <unimod>1018</unimod>
    <mono_mass>138.068080</mono_mass>
  </ptm>
  <ptm>
    <name>Isotope-Coded Dimedone heavy form</name>
    <abbreviation>ICDID:2H(6)</abbreviation>
    <unimod>1019</unimod>
    <mono_mass>144.105740</mono_mass>
  </ptm>
  <ptm>
    <name>Monolink of EGS crosslinker to Lys or N-terminus</name>
    <abbreviation>Xlink:EGS</abbreviation>
    <unimod>1021</unimod>
    <mono_mass>244.058303</mono_mass>
  </ptm>
  <ptm>
    <name>Monolink of DST crosslinker to Lys or N-terminus</name>
    <abbreviation>Xlink:DST</abbreviation>
    <unimod>1022</unimod>
    <mono_mass>132.005873</mono_mass>
  </ptm>
  <ptm>
    <name>Monolink of DSP/DTSSP crosslinker to Lys or N-terminus</name>
    <abbreviation>Xlink:DTSSP</abbreviation>
    <unimod>1023</unimod>
    <mono_mass>191.991486</mono_mass>
  </ptm>
  <ptm>
    <name>Monolink of sulfoSMCC/SMCC crosslinker to Cys</name>
    <abbreviation>Xlink:SMCC</abbreviation>
    <unimod>1024</unimod>
    <mono_mass>237.100108</mono_mass>
  </ptm>
  <ptm>
    <name>Tyrosine caged with 2-nitrobenzyl (ONB)</name>
    <abbreviation>2-nitrobenzyl</abbreviation>
    <unimod>1032</unimod>
    <mono_mass>135.032028</mono_mass>
  </ptm>
  <ptm>
    <name>Monolink of DMP crosslinker to Lys or N-terminus</name>
    <abbreviation>Xlink:DMP-de</abbreviation>
    <unimod>1027</unimod>
    <mono_mass>140.094963</mono_mass>
  </ptm>
  <ptm>
    <name>EGS crosslinker to Lys or N-terminus following hydroxylamine cleavage</name>
    <abbreviation>Xlink:EGScleaved</abbreviation>
    <unimod>1028</unimod>
    <mono_mass>99.032028</mono_mass>
  </ptm>
  <ptm>
    <name>N-ethylmaleimide on selenocysteines</name>
    <abbreviation>SecNEM</abbreviation>
    <unimod>1033</unimod>
    <mono_mass>172.992127</mono_mass>
  </ptm>
  <ptm>
    <name>D5 N-ethylmaleimide on selenocysteines</name>
    <abbreviation>SecNEM:2H(5)</abbreviation>
    <unimod>1034</unimod>
    <mono_mass>178.023511</mono_mass>
  </ptm>
  <ptm>
    <name>Thiadiazolydation of Cys</name>
    <abbreviation>Thiadiazole</abbreviation>
    <unimod>1035</unimod>
    <mono_mass>174.025169</mono_mass>
  </ptm>
  <ptm>
    <name>desthiobiotin modification of lysine</name>
    <abbreviation>Biotin:Thermo-88310</abbreviation>
    <unimod>1031</unimod>
    <mono_mass>196.121178</mono_mass>
  </ptm>
  <ptm>
    <name>TAMRA fluorophosphonate modification of serine</name>
    <abbreviation>TAMRA-FP</abbreviation>
    <unimod>1038</unimod>
    <mono_mass>659.312423</mono_mass>
  </ptm>
  <ptm>
    <name>Maleimide-Biotin + Water</name>
    <abbreviation>Biotin:Thermo-21901+H2O</abbreviation>
    <unimod>1039</unimod>
    <mono_mass>543.236284</mono_mass>
  </ptm>
  <ptm>
    <name>Deoxyhypusine</name>
    <abbreviation>Deoxyhypusine</abbreviation>
    <unimod>1041</unimod>
    <mono_mass>71.073499</mono_mass>
  </ptm>
  <ptm>
    <name>Acetyldeoxyhypusine</name>
    <abbreviation>Acetyldeoxyhypusine</abbreviation>
    <unimod>1042</unimod>
    <mono_mass>97.089149</mono_mass>
  </ptm>
  <ptm>
    <name>Acetylhypusine</name>
    <abbreviation>Acetylhypusine</abbreviation>
    <unimod>1043</unimod>
    <mono_mass>113.084064</mono_mass>
  </ptm>
  <ptm>
    <name>Ala-&gt;Cys substitution</name>
    <abbreviation>Ala-&gt;Cys</abbreviation>
    <unimod>1044</unimod>
    <mono_mass>31.972071</mono_mass>
  </ptm>
  <ptm>
    <name>Ala-&gt;Phe substitution</name>
    <abbreviation>Ala-&gt;Phe</abbreviation>
    <unimod>1045</unimod>
    <mono_mass>76.031300</mono_mass>
  </ptm>
  <ptm>
    <name>Ala-&gt;His substitution</name>
    <abbreviation>Ala-&gt;His</abbreviation>
    <unimod>1046</unimod>
    <mono_mass>66.021798</mono_mass>
  </ptm>
  <ptm>
    <name>Ala-&gt;Leu/Ile substitution</name>
    <abbreviation>Ala-&gt;Xle</abbreviation>
    <unimod>1047</unimod>
    <mono_mass>42.046950</mono_mass>
  </ptm>
  <ptm>
    <name>Ala-&gt;Lys substitution</name>
    <abbreviation>Ala-&gt;Lys</abbreviation>
    <unimod>1048</unimod>
    <mono_mass>57.057849</mono_mass>
  </ptm>
  <ptm>
    <name>Ala-&gt;Met substitution</name>
    <abbreviation>Ala-&gt;Met</abbreviation>
    <unimod>1049</unimod>
    <mono_mass>60.003371</mono_mass>
  </ptm>
  <ptm>
    <name>Ala-&gt;Asn substitution</name>
    <abbreviation>Ala-&gt;Asn</abbreviation>
    <unimod>1050</unimod>
    <mono_mass>43.005814</mono_mass>
  </ptm>
  <ptm>
    <name>Ala-&gt;Gln substitution</name>
    <abbreviation>Ala-&gt;Gln</abbreviation>
    <unimod>1051</unimod>
    <mono_mass>57.021464</mono_mass>
  </ptm>
  <ptm>
    <name>Ala-&gt;Arg substitution</name>
    <abbreviation>Ala-&gt;Arg</abbreviation>
    <unimod>1052</unimod>
    <mono_mass>85.063997</mono_mass>
  </ptm>
  <ptm>
    <name>Ala-&gt;Trp substitution</name>
    <abbreviation>Ala-&gt;Trp</abbreviation>
    <unimod>1053</unimod>
    <mono_mass>115.042199</mono_mass>
  </ptm>
  <ptm>
    <name>Ala-&gt;Tyr substitution</name>
    <abbreviation>Ala-&gt;Tyr</abbreviation>
    <unimod>1054</unimod>
    <mono_mass>92.026215</mono_mass>
  </ptm>
  <ptm>
    <name>Cys-&gt;Ala substitution</name>
    <abbreviation>Cys-&gt;Ala</abbreviation>
    <unimod>1055</unimod>
    <mono_mass>-31.972071</mono_mass>
  </ptm>
  <ptm>
    <name>Cys-&gt;Asp substitution</name>
    <abbreviation>Cys-&gt;Asp</abbreviation>
    <unimod>1056</unimod>
    <mono_mass>12.017759</mono_mass>
  </ptm>
  <ptm>
    <name>Cys-&gt;Glu substitution</name>
    <abbreviation>Cys-&gt;Glu</abbreviation>
    <unimod>1057</unimod>
    <mono_mass>26.033409</mono_mass>
  </ptm>
  <ptm>
    <name>Cys-&gt;His substitution</name>
    <abbreviation>Cys-&gt;His</abbreviation>
    <unimod>1058</unimod>
    <mono_mass>34.049727</mono_mass>
  </ptm>
  <ptm>
    <name>Cys-&gt;Leu/Ile substitution</name>
    <abbreviation>Cys-&gt;Xle</abbreviation>
    <unimod>1059</unimod>
    <mono_mass>10.074880</mono_mass>
  </ptm>
  <ptm>
    <name>Cys-&gt;Lys substitution</name>
    <abbreviation>Cys-&gt;Lys</abbreviation>
    <unimod>1060</unimod>
    <mono_mass>25.085779</mono_mass>
  </ptm>
  <ptm>
    <name>Cys-&gt;Met substitution</name>
    <abbreviation>Cys-&gt;Met</abbreviation>
    <unimod>1061</unimod>
    <mono_mass>28.031300</mono_mass>
  </ptm>
  <ptm>
    <name>Cys-&gt;Asn substitution</name>
    <abbreviation>Cys-&gt;Asn</abbreviation>
    <unimod>1062</unimod>
    <mono_mass>11.033743</mono_mass>
  </ptm>
  <ptm>
    <name>Cys-&gt;Pro substitution</name>
    <abbreviation>Cys-&gt;Pro</abbreviation>
    <unimod>1063</unimod>
    <mono_mass>-5.956421</mono_mass>
  </ptm>
  <ptm>
    <name>Cys-&gt;Gln substitution</name>
    <abbreviation>Cys-&gt;Gln</abbreviation>
    <unimod>1064</unimod>
    <mono_mass>25.049393</mono_mass>
  </ptm>
  <ptm>
    <name>Cys-&gt;Thr substitution</name>
    <abbreviation>Cys-&gt;Thr</abbreviation>
    <unimod>1065</unimod>
    <mono_mass>-1.961506</mono_mass>
  </ptm>
  <ptm>
    <name>Cys-&gt;Val substitution</name>
    <abbreviation>Cys-&gt;Val</abbreviation>
    <unimod>1066</unimod>
    <mono_mass>-3.940771</mono_mass>
  </ptm>
  <ptm>
    <name>Asp-&gt;Cys substitution</name>
    <abbreviation>Asp-&gt;Cys</abbreviation>
    <unimod>1067</unimod>
    <mono_mass>-12.017759</mono_mass>
  </ptm>
  <ptm>
    <name>Asp-&gt;Phe substitution</name>
    <abbreviation>Asp-&gt;Phe</abbreviation>
    <unimod>1068</unimod>
    <mono_mass>32.041471</mono_mass>
  </ptm>
  <ptm>
    <name>Asp-&gt;Leu/Ile substitution</name>
    <abbreviation>Asp-&gt;Xle</abbreviation>
    <unimod>1069</unimod>
    <mono_mass>-1.942879</mono_mass>
  </ptm>
  <ptm>
    <name>Asp-&gt;Lys substitution</name>
    <abbreviation>Asp-&gt;Lys</abbreviation>
    <unimod>1070</unimod>
    <mono_mass>13.068020</mono_mass>
  </ptm>
  <ptm>
    <name>Asp-&gt;Met substitution</name>
    <abbreviation>Asp-&gt;Met</abbreviation>
    <unimod>1071</unimod>
    <mono_mass>16.013542</mono_mass>
  </ptm>
  <ptm>
    <name>Asp-&gt;Pro substitution</name>
    <abbreviation>Asp-&gt;Pro</abbreviation>
    <unimod>1072</unimod>
    <mono_mass>-17.974179</mono_mass>
  </ptm>
  <ptm>
    <name>Asp-&gt;Gln substitution</name>
    <abbreviation>Asp-&gt;Gln</abbreviation>
    <unimod>1073</unimod>
    <mono_mass>13.031634</mono_mass>
  </ptm>
  <ptm>
    <name>Asp-&gt;Arg substitution</name>
    <abbreviation>Asp-&gt;Arg</abbreviation>
    <unimod>1074</unimod>
    <mono_mass>41.074168</mono_mass>
  </ptm>
  <ptm>
    <name>Asp-&gt;Ser substitution</name>
    <abbreviation>Asp-&gt;Ser</abbreviation>
    <unimod>1075</unimod>
    <mono_mass>-27.994915</mono_mass>
  </ptm>
  <ptm>
    <name>Asp-&gt;Thr substitution</name>
    <abbreviation>Asp-&gt;Thr</abbreviation>
    <unimod>1076</unimod>
    <mono_mass>-13.979265</mono_mass>
  </ptm>
  <ptm>
    <name>Asp-&gt;Trp substitution</name>
    <abbreviation>Asp-&gt;Trp</abbreviation>
    <unimod>1077</unimod>
    <mono_mass>71.052370</mono_mass>
  </ptm>
  <ptm>
    <name>Glu-&gt;Cys substitution</name>
    <abbreviation>Glu-&gt;Cys</abbreviation>
    <unimod>1078</unimod>
    <mono_mass>-26.033409</mono_mass>
  </ptm>
  <ptm>
    <name>Glu-&gt;Phe substitution</name>
    <abbreviation>Glu-&gt;Phe</abbreviation>
    <unimod>1079</unimod>
    <mono_mass>18.025821</mono_mass>
  </ptm>
  <ptm>
    <name>Glu-&gt;His substitution</name>
    <abbreviation>Glu-&gt;His</abbreviation>
    <unimod>1080</unimod>
    <mono_mass>8.016319</mono_mass>
  </ptm>
  <ptm>
    <name>Glu-&gt;Leu/Ile substitution</name>
    <abbreviation>Glu-&gt;Xle</abbreviation>
    <unimod>1081</unimod>
    <mono_mass>-15.958529</mono_mass>
  </ptm>
  <ptm>
    <name>Glu-&gt;Met substitution</name>
    <abbreviation>Glu-&gt;Met</abbreviation>
    <unimod>1082</unimod>
    <mono_mass>1.997892</mono_mass>
  </ptm>
  <ptm>
    <name>Glu-&gt;Asn substitution</name>
    <abbreviation>Glu-&gt;Asn</abbreviation>
    <unimod>1083</unimod>
    <mono_mass>-14.999666</mono_mass>
  </ptm>
  <ptm>
    <name>Glu-&gt;Pro substitution</name>
    <abbreviation>Glu-&gt;Pro</abbreviation>
    <unimod>1084</unimod>
    <mono_mass>-31.989829</mono_mass>
  </ptm>
  <ptm>
    <name>Glu-&gt;Arg substitution</name>
    <abbreviation>Glu-&gt;Arg</abbreviation>
    <unimod>1085</unimod>
    <mono_mass>27.058518</mono_mass>
  </ptm>
  <ptm>
    <name>Glu-&gt;Ser substitution</name>
    <abbreviation>Glu-&gt;Ser</abbreviation>
    <unimod>1086</unimod>
    <mono_mass>-42.010565</mono_mass>
  </ptm>
  <ptm>
    <name>Glu-&gt;Thr substitution</name>
    <abbreviation>Glu-&gt;Thr</abbreviation>
    <unimod>1087</unimod>
    <mono_mass>-27.994915</mono_mass>
  </ptm>
  <ptm>
    <name>Glu-&gt;Trp substitution</name>
    <abbreviation>Glu-&gt;Trp</abbreviation>
    <unimod>1088</unimod>
    <mono_mass>57.036720</mono_mass>
  </ptm>
  <ptm>
    <name>Glu-&gt;Tyr substitution</name>
    <abbreviation>Glu-&gt;Tyr</abbreviation>
    <unimod>1089</unimod>
    <mono_mass>34.020735</mono_mass>
  </ptm>
  <ptm>
    <name>Phe-&gt;Ala substitution</name>
    <abbreviation>Phe-&gt;Ala</abbreviation>
    <unimod>1090</unimod>
    <mono_mass>-76.031300</mono_mass>
  </ptm>
  <ptm>
    <name>Phe-&gt;Asp substitution</name>
    <abbreviation>Phe-&gt;Asp</abbreviation>
    <unimod>1091</unimod>
    <mono_mass>-32.041471</mono_mass>
  </ptm>
  <ptm>
    <name>Phe-&gt;Glu substitution</name>
    <abbreviation>Phe-&gt;Glu</abbreviation>
    <unimod>1092</unimod>
    <mono_mass>-18.025821</mono_mass>
  </ptm>
  <ptm>
    <name>Phe-&gt;Gly substitution</name>
    <abbreviation>Phe-&gt;Gly</abbreviation>
    <unimod>1093</unimod>
    <mono_mass>-90.046950</mono_mass>
  </ptm>
  <ptm>
    <name>Phe-&gt;His substitution</name>
    <abbreviation>Phe-&gt;His</abbreviation>
    <unimod>1094</unimod>
    <mono_mass>-10.009502</mono_mass>
  </ptm>
  <ptm>
    <name>Phe-&gt;Lys substitution</name>
    <abbreviation>Phe-&gt;Lys</abbreviation>
    <unimod>1095</unimod>
    <mono_mass>-18.973451</mono_mass>
  </ptm>
  <ptm>
    <name>Phe-&gt;Met substitution</name>
    <abbreviation>Phe-&gt;Met</abbreviation>
    <unimod>1096</unimod>
    <mono_mass>-16.027929</mono_mass>
  </ptm>
  <ptm>
    <name>Phe-&gt;Asn substitution</name>
    <abbreviation>Phe-&gt;Asn</abbreviation>
    <unimod>1097</unimod>
    <mono_mass>-33.025486</mono_mass>
  </ptm>
  <ptm>
    <name>Phe-&gt;Pro substitution</name>
    <abbreviation>Phe-&gt;Pro</abbreviation>
    <unimod>1098</unimod>
    <mono_mass>-50.015650</mono_mass>
  </ptm>
  <ptm>
    <name>Phe-&gt;Gln substitution</name>
    <abbreviation>Phe-&gt;Gln</abbreviation>
    <unimod>1099</unimod>
    <mono_mass>-19.009836</mono_mass>
  </ptm>
  <ptm>
    <name>Phe-&gt;Arg substitution</name>
    <abbreviation>Phe-&gt;Arg</abbreviation>
    <unimod>1100</unimod>
    <mono_mass>9.032697</mono_mass>
  </ptm>
  <ptm>
    <name>Phe-&gt;Thr substitution</name>
    <abbreviation>Phe-&gt;Thr</abbreviation>
    <unimod>1101</unimod>
    <mono_mass>-46.020735</mono_mass>
  </ptm>
  <ptm>
    <name>Phe-&gt;Trp substitution</name>
    <abbreviation>Phe-&gt;Trp</abbreviation>
    <unimod>1102</unimod>
    <mono_mass>39.010899</mono_mass>
  </ptm>
  <ptm>
    <name>Gly-&gt;Phe substitution</name>
    <abbreviation>Gly-&gt;Phe</abbreviation>
    <unimod>1103</unimod>
    <mono_mass>90.046950</mono_mass>
  </ptm>
  <ptm>
    <name>Gly-&gt;His substitution</name>
    <abbreviation>Gly-&gt;His</abbreviation>
    <unimod>1104</unimod>
    <mono_mass>80.037448</mono_mass>
  </ptm>
  <ptm>
    <name>Gly-&gt;Leu/Ile substitution</name>
    <abbreviation>Gly-&gt;Xle</abbreviation>
    <unimod>1105</unimod>
    <mono_mass>56.062600</mono_mass>
  </ptm>
  <ptm>
    <name>Gly-&gt;Lys substitution</name>
    <abbreviation>Gly-&gt;Lys</abbreviation>
    <unimod>1106</unimod>
    <mono_mass>71.073499</mono_mass>
  </ptm>
  <ptm>
    <name>Gly-&gt;Met substitution</name>
    <abbreviation>Gly-&gt;Met</abbreviation>
    <unimod>1107</unimod>
    <mono_mass>74.019021</mono_mass>
  </ptm>
  <ptm>
    <name>Gly-&gt;Asn substitution</name>
    <abbreviation>Gly-&gt;Asn</abbreviation>
    <unimod>1108</unimod>
    <mono_mass>57.021464</mono_mass>
  </ptm>
  <ptm>
    <name>Gly-&gt;Pro substitution</name>
    <abbreviation>Gly-&gt;Pro</abbreviation>
    <unimod>1109</unimod>
    <mono_mass>40.031300</mono_mass>
  </ptm>
  <ptm>
    <name>Gly-&gt;Gln substitution</name>
    <abbreviation>Gly-&gt;Gln</abbreviation>
    <unimod>1110</unimod>
    <mono_mass>71.037114</mono_mass>
  </ptm>
  <ptm>
    <name>Gly-&gt;Thr substitution</name>
    <abbreviation>Gly-&gt;Thr</abbreviation>
    <unimod>1111</unimod>
    <mono_mass>44.026215</mono_mass>
  </ptm>
  <ptm>
    <name>Gly-&gt;Tyr substitution</name>
    <abbreviation>Gly-&gt;Tyr</abbreviation>
    <unimod>1112</unimod>
    <mono_mass>106.041865</mono_mass>
  </ptm>
  <ptm>
    <name>His-&gt;Ala substitution</name>
    <abbreviation>His-&gt;Ala</abbreviation>
    <unimod>1113</unimod>
    <mono_mass>-66.021798</mono_mass>
  </ptm>
  <ptm>
    <name>His-&gt;Cys substitution</name>
    <abbreviation>His-&gt;Cys</abbreviation>
    <unimod>1114</unimod>
    <mono_mass>-34.049727</mono_mass>
  </ptm>
  <ptm>
    <name>His-&gt;Glu substitution</name>
    <abbreviation>His-&gt;Glu</abbreviation>
    <unimod>1115</unimod>
    <mono_mass>-8.016319</mono_mass>
  </ptm>
  <ptm>
    <name>His-&gt;Phe substitution</name>
    <abbreviation>His-&gt;Phe</abbreviation>
    <unimod>1116</unimod>
    <mono_mass>10.009502</mono_mass>
  </ptm>
  <ptm>
    <name>His-&gt;Gly substitution</name>
    <abbreviation>His-&gt;Gly</abbreviation>
    <unimod>1117</unimod>
    <mono_mass>-80.037448</mono_mass>
  </ptm>
  <ptm>
    <name>His-&gt;Lys substitution</name>
    <abbreviation>His-&gt;Lys</abbreviation>
    <unimod>1119</unimod>
    <mono_mass>-8.963949</mono_mass>
  </ptm>
  <ptm>
    <name>His-&gt;Met substitution</name>
    <abbreviation>His-&gt;Met</abbreviation>
    <unimod>1120</unimod>
    <mono_mass>-6.018427</mono_mass>
  </ptm>
  <ptm>
    <name>His-&gt;Ser substitution</name>
    <abbreviation>His-&gt;Ser</abbreviation>
    <unimod>1121</unimod>
    <mono_mass>-50.026883</mono_mass>
  </ptm>
  <ptm>
    <name>His-&gt;Thr substitution</name>
    <abbreviation>His-&gt;Thr</abbreviation>
    <unimod>1122</unimod>
    <mono_mass>-36.011233</mono_mass>
  </ptm>
  <ptm>
    <name>His-&gt;Val substitution</name>
    <abbreviation>His-&gt;Val</abbreviation>
    <unimod>1123</unimod>
    <mono_mass>-37.990498</mono_mass>
  </ptm>
  <ptm>
    <name>His-&gt;Trp substitution</name>
    <abbreviation>His-&gt;Trp</abbreviation>
    <unimod>1124</unimod>
    <mono_mass>49.020401</mono_mass>
  </ptm>
  <ptm>
    <name>Leu/Ile-&gt;Cys substitution</name>
    <abbreviation>Xle-&gt;Cys</abbreviation>
    <unimod>1126</unimod>
    <mono_mass>-10.074880</mono_mass>
  </ptm>
  <ptm>
    <name>Leu/Ile-&gt;Asp substitution</name>
    <abbreviation>Xle-&gt;Asp</abbreviation>
    <unimod>1127</unimod>
    <mono_mass>1.942879</mono_mass>
  </ptm>
  <ptm>
    <name>Leu/Ile-&gt;Glu substitution</name>
    <abbreviation>Xle-&gt;Glu</abbreviation>
    <unimod>1128</unimod>
    <mono_mass>15.958529</mono_mass>
  </ptm>
  <ptm>
    <name>Leu/Ile-&gt;Gly substitution</name>
    <abbreviation>Xle-&gt;Gly</abbreviation>
    <unimod>1129</unimod>
    <mono_mass>-56.062600</mono_mass>
  </ptm>
  <ptm>
    <name>Leu/Ile-&gt;Tyr substitution</name>
    <abbreviation>Xle-&gt;Tyr</abbreviation>
    <unimod>1130</unimod>
    <mono_mass>49.979265</mono_mass>
  </ptm>
  <ptm>
    <name>Lys-&gt;Ala substitution</name>
    <abbreviation>Lys-&gt;Ala</abbreviation>
    <unimod>1131</unimod>
    <mono_mass>-57.057849</mono_mass>
  </ptm>
  <ptm>
    <name>Lys-&gt;Cys substitution</name>
    <abbreviation>Lys-&gt;Cys</abbreviation>
    <unimod>1132</unimod>
    <mono_mass>-25.085779</mono_mass>
  </ptm>
  <ptm>
    <name>Lys-&gt;Asp substitution</name>
    <abbreviation>Lys-&gt;Asp</abbreviation>
    <unimod>1133</unimod>
    <mono_mass>-13.068020</mono_mass>
  </ptm>
  <ptm>
    <name>Lys-&gt;Phe substitution</name>
    <abbreviation>Lys-&gt;Phe</abbreviation>
    <unimod>1134</unimod>
    <mono_mass>18.973451</mono_mass>
  </ptm>
  <ptm>
    <name>Lys-&gt;Gly substitution</name>
    <abbreviation>Lys-&gt;Gly</abbreviation>
    <unimod>1135</unimod>
    <mono_mass>-71.073499</mono_mass>
  </ptm>
  <ptm>
    <name>Lys-&gt;His substitution</name>
    <abbreviation>Lys-&gt;His</abbreviation>
    <unimod>1136</unimod>
    <mono_mass>8.963949</mono_mass>
  </ptm>
  <ptm>
    <name>Lys-&gt;Pro substitution</name>
    <abbreviation>Lys-&gt;Pro</abbreviation>
    <unimod>1137</unimod>
    <mono_mass>-31.042199</mono_mass>
  </ptm>
  <ptm>
    <name>Lys-&gt;Ser substitution</name>
    <abbreviation>Lys-&gt;Ser</abbreviation>
    <unimod>1138</unimod>
    <mono_mass>-41.062935</mono_mass>
  </ptm>
  <ptm>
    <name>Lys-&gt;Val substitution</name>
    <abbreviation>Lys-&gt;Val</abbreviation>
    <unimod>1139</unimod>
    <mono_mass>-29.026549</mono_mass>
  </ptm>
  <ptm>
    <name>Lys-&gt;Trp substitution</name>
    <abbreviation>Lys-&gt;Trp</abbreviation>
    <unimod>1140</unimod>
    <mono_mass>57.984350</mono_mass>
  </ptm>
  <ptm>
    <name>Lys-&gt;Tyr substitution</name>
    <abbreviation>Lys-&gt;Tyr</abbreviation>
    <unimod>1141</unimod>
    <mono_mass>34.968366</mono_mass>
  </ptm>
  <ptm>
    <name>Met-&gt;Ala substitution</name>
    <abbreviation>Met-&gt;Ala</abbreviation>
    <unimod>1142</unimod>
    <mono_mass>-60.003371</mono_mass>
  </ptm>
  <ptm>
    <name>Met-&gt;Cys substitution</name>
    <abbreviation>Met-&gt;Cys</abbreviation>
    <unimod>1143</unimod>
    <mono_mass>-28.031300</mono_mass>
  </ptm>
  <ptm>
    <name>Met-&gt;Asp substitution</name>
    <abbreviation>Met-&gt;Asp</abbreviation>
    <unimod>1144</unimod>
    <mono_mass>-16.013542</mono_mass>
  </ptm>
  <ptm>
    <name>Met-&gt;Glu substitution</name>
    <abbreviation>Met-&gt;Glu</abbreviation>
    <unimod>1145</unimod>
    <mono_mass>-1.997892</mono_mass>
  </ptm>
  <ptm>
    <name>Met-&gt;Phe substitution</name>
    <abbreviation>Met-&gt;Phe</abbreviation>
    <unimod>1146</unimod>
    <mono_mass>16.027929</mono_mass>
  </ptm>
  <ptm>
    <name>Met-&gt;Gly substitution</name>
    <abbreviation>Met-&gt;Gly</abbreviation>
    <unimod>1147</unimod>
    <mono_mass>-74.019021</mono_mass>
  </ptm>
  <ptm>
    <name>Met-&gt;His substitution</name>
    <abbreviation>Met-&gt;His</abbreviation>
    <unimod>1148</unimod>
    <mono_mass>6.018427</mono_mass>
  </ptm>
  <ptm>
    <name>Met-&gt;Asn substitution</name>
    <abbreviation>Met-&gt;Asn</abbreviation>
    <unimod>1149</unimod>
    <mono_mass>-16.997557</mono_mass>
  </ptm>
  <ptm>
    <name>Met-&gt;Pro substitution</name>
    <abbreviation>Met-&gt;Pro</abbreviation>
    <unimod>1150</unimod>
    <mono_mass>-33.987721</mono_mass>
  </ptm>
  <ptm>
    <name>Met-&gt;Gln substitution</name>
    <abbreviation>Met-&gt;Gln</abbreviation>
    <unimod>1151</unimod>
    <mono_mass>-2.981907</mono_mass>
  </ptm>
  <ptm>
    <name>Met-&gt;Ser substitution</name>
    <abbreviation>Met-&gt;Ser</abbreviation>
    <unimod>1152</unimod>
    <mono_mass>-44.008456</mono_mass>
  </ptm>
  <ptm>
    <name>Met-&gt;Trp substitution</name>
    <abbreviation>Met-&gt;Trp</abbreviation>
    <unimod>1153</unimod>
    <mono_mass>55.038828</mono_mass>
  </ptm>
  <ptm>
    <name>Met-&gt;Tyr substitution</name>
    <abbreviation>Met-&gt;Tyr</abbreviation>
    <unimod>1154</unimod>
    <mono_mass>32.022844</mono_mass>
  </ptm>
  <ptm>
    <name>Asn-&gt;Ala substitution</name>
    <abbreviation>Asn-&gt;Ala</abbreviation>
    <unimod>1155</unimod>
    <mono_mass>-43.005814</mono_mass>
  </ptm>
  <ptm>
    <name>Asn-&gt;Cys substitution</name>
    <abbreviation>Asn-&gt;Cys</abbreviation>
    <unimod>1156</unimod>
    <mono_mass>-11.033743</mono_mass>
  </ptm>
  <ptm>
    <name>Asn-&gt;Glu substitution</name>
    <abbreviation>Asn-&gt;Glu</abbreviation>
    <unimod>1157</unimod>
    <mono_mass>14.999666</mono_mass>
  </ptm>
  <ptm>
    <name>Asn-&gt;Phe substitution</name>
    <abbreviation>Asn-&gt;Phe</abbreviation>
    <unimod>1158</unimod>
    <mono_mass>33.025486</mono_mass>
  </ptm>
  <ptm>
    <name>Asn-&gt;Gly substitution</name>
    <abbreviation>Asn-&gt;Gly</abbreviation>
    <unimod>1159</unimod>
    <mono_mass>-57.021464</mono_mass>
  </ptm>
  <ptm>
    <name>Asn-&gt;Met substitution</name>
    <abbreviation>Asn-&gt;Met</abbreviation>
    <unimod>1160</unimod>
    <mono_mass>16.997557</mono_mass>
  </ptm>
  <ptm>
    <name>Asn-&gt;Pro substitution</name>
    <abbreviation>Asn-&gt;Pro</abbreviation>
    <unimod>1161</unimod>
    <mono_mass>-16.990164</mono_mass>
  </ptm>
  <ptm>
    <name>Asn-&gt;Gln substitution</name>
    <abbreviation>Asn-&gt;Gln</abbreviation>
    <unimod>1162</unimod>
    <mono_mass>14.015650</mono_mass>
  </ptm>
  <ptm>
    <name>Asn-&gt;Arg substitution</name>
    <abbreviation>Asn-&gt;Arg</abbreviation>
    <unimod>1163</unimod>
    <mono_mass>42.058184</mono_mass>
  </ptm>
  <ptm>
    <name>Asn-&gt;Val substitution</name>
    <abbreviation>Asn-&gt;Val</abbreviation>
    <unimod>1164</unimod>
    <mono_mass>-14.974514</mono_mass>
  </ptm>
  <ptm>
    <name>Asn-&gt;Trp substitution</name>
    <abbreviation>Asn-&gt;Trp</abbreviation>
    <unimod>1165</unimod>
    <mono_mass>72.036386</mono_mass>
  </ptm>
  <ptm>
    <name>Pro-&gt;Cys substitution</name>
    <abbreviation>Pro-&gt;Cys</abbreviation>
    <unimod>1166</unimod>
    <mono_mass>5.956421</mono_mass>
  </ptm>
  <ptm>
    <name>Pro-&gt;Asp substitution</name>
    <abbreviation>Pro-&gt;Asp</abbreviation>
    <unimod>1167</unimod>
    <mono_mass>17.974179</mono_mass>
  </ptm>
  <ptm>
    <name>Pro-&gt;Glu substitution</name>
    <abbreviation>Pro-&gt;Glu</abbreviation>
    <unimod>1168</unimod>
    <mono_mass>31.989829</mono_mass>
  </ptm>
  <ptm>
    <name>Pro-&gt;Phe substitution</name>
    <abbreviation>Pro-&gt;Phe</abbreviation>
    <unimod>1169</unimod>
    <mono_mass>50.015650</mono_mass>
  </ptm>
  <ptm>
    <name>Pro-&gt;Gly substitution</name>
    <abbreviation>Pro-&gt;Gly</abbreviation>
    <unimod>1170</unimod>
    <mono_mass>-40.031300</mono_mass>
  </ptm>
  <ptm>
    <name>Pro-&gt;Lys substitution</name>
    <abbreviation>Pro-&gt;Lys</abbreviation>
    <unimod>1171</unimod>
    <mono_mass>31.042199</mono_mass>
  </ptm>
  <ptm>
    <name>Pro-&gt;Met substitution</name>
    <abbreviation>Pro-&gt;Met</abbreviation>
    <unimod>1172</unimod>
    <mono_mass>33.987721</mono_mass>
  </ptm>
  <ptm>
    <name>Pro-&gt;Asn substitution</name>
    <abbreviation>Pro-&gt;Asn</abbreviation>
    <unimod>1173</unimod>
    <mono_mass>16.990164</mono_mass>
  </ptm>
  <ptm>
    <name>Pro-&gt;Val substitution</name>
    <abbreviation>Pro-&gt;Val</abbreviation>
    <unimod>1174</unimod>
    <mono_mass>2.015650</mono_mass>
  </ptm>
  <ptm>
    <name>Pro-&gt;Trp substitution</name>
    <abbreviation>Pro-&gt;Trp</abbreviation>
    <unimod>1175</unimod>
    <mono_mass>89.026549</mono_mass>
  </ptm>
  <ptm>
    <name>Pro-&gt;Tyr substitution</name>
    <abbreviation>Pro-&gt;Tyr</abbreviation>
    <unimod>1176</unimod>
    <mono_mass>66.010565</mono_mass>
  </ptm>
  <ptm>
    <name>Gln-&gt;Ala substitution</name>
    <abbreviation>Gln-&gt;Ala</abbreviation>
    <unimod>1177</unimod>
    <mono_mass>-57.021464</mono_mass>
  </ptm>
  <ptm>
    <name>Gln-&gt;Cys substitution</name>
    <abbreviation>Gln-&gt;Cys</abbreviation>
    <unimod>1178</unimod>
    <mono_mass>-25.049393</mono_mass>
  </ptm>
  <ptm>
    <name>Gln-&gt;Asp substitution</name>
    <abbreviation>Gln-&gt;Asp</abbreviation>
    <unimod>1179</unimod>
    <mono_mass>-13.031634</mono_mass>
  </ptm>
  <ptm>
    <name>Gln-&gt;Phe substitution</name>
    <abbreviation>Gln-&gt;Phe</abbreviation>
    <unimod>1180</unimod>
    <mono_mass>19.009836</mono_mass>
  </ptm>
  <ptm>
    <name>Gln-&gt;Gly substitution</name>
    <abbreviation>Gln-&gt;Gly</abbreviation>
    <unimod>1181</unimod>
    <mono_mass>-71.037114</mono_mass>
  </ptm>
  <ptm>
    <name>Gln-&gt;Met substitution</name>
    <abbreviation>Gln-&gt;Met</abbreviation>
    <unimod>1182</unimod>
    <mono_mass>2.981907</mono_mass>
  </ptm>
  <ptm>
    <name>Gln-&gt;Asn substitution</name>
    <abbreviation>Gln-&gt;Asn</abbreviation>
    <unimod>1183</unimod>
    <mono_mass>-14.015650</mono_mass>
  </ptm>
  <ptm>
    <name>Gln-&gt;Ser substitution</name>
    <abbreviation>Gln-&gt;Ser</abbreviation>
    <unimod>1184</unimod>
    <mono_mass>-41.026549</mono_mass>
  </ptm>
  <ptm>
    <name>Gln-&gt;Thr substitution</name>
    <abbreviation>Gln-&gt;Thr</abbreviation>
    <unimod>1185</unimod>
    <mono_mass>-27.010899</mono_mass>
  </ptm>
  <ptm>
    <name>Gln-&gt;Val substitution</name>
    <abbreviation>Gln-&gt;Val</abbreviation>
    <unimod>1186</unimod>
    <mono_mass>-28.990164</mono_mass>
  </ptm>
  <ptm>
    <name>Gln-&gt;Trp substitution</name>
    <abbreviation>Gln-&gt;Trp</abbreviation>
    <unimod>1187</unimod>
    <mono_mass>58.020735</mono_mass>
  </ptm>
  <ptm>
    <name>Gln-&gt;Tyr substitution</name>
    <abbreviation>Gln-&gt;Tyr</abbreviation>
    <unimod>1188</unimod>
    <mono_mass>35.004751</mono_mass>
  </ptm>
  <ptm>
    <name>Arg-&gt;Ala substitution</name>
    <abbreviation>Arg-&gt;Ala</abbreviation>
    <unimod>1189</unimod>
    <mono_mass>-85.063997</mono_mass>
  </ptm>
  <ptm>
    <name>Arg-&gt;Asp substitution</name>
    <abbreviation>Arg-&gt;Asp</abbreviation>
    <unimod>1190</unimod>
    <mono_mass>-41.074168</mono_mass>
  </ptm>
  <ptm>
    <name>Arg-&gt;Glu substitution</name>
    <abbreviation>Arg-&gt;Glu</abbreviation>
    <unimod>1191</unimod>
    <mono_mass>-27.058518</mono_mass>
  </ptm>
  <ptm>
    <name>Arg-&gt;Asn substitution</name>
    <abbreviation>Arg-&gt;Asn</abbreviation>
    <unimod>1192</unimod>
    <mono_mass>-42.058184</mono_mass>
  </ptm>
  <ptm>
    <name>Arg-&gt;Val substitution</name>
    <abbreviation>Arg-&gt;Val</abbreviation>
    <unimod>1193</unimod>
    <mono_mass>-57.032697</mono_mass>
  </ptm>
  <ptm>
    <name>Arg-&gt;Tyr substitution</name>
    <abbreviation>Arg-&gt;Tyr</abbreviation>
    <unimod>1194</unimod>
    <mono_mass>6.962218</mono_mass>
  </ptm>
  <ptm>
    <name>Arg-&gt;Phe substitution</name>
    <abbreviation>Arg-&gt;Phe</abbreviation>
    <unimod>1195</unimod>
    <mono_mass>-9.032697</mono_mass>
  </ptm>
  <ptm>
    <name>Ser-&gt;Asp substitution</name>
    <abbreviation>Ser-&gt;Asp</abbreviation>
    <unimod>1196</unimod>
    <mono_mass>27.994915</mono_mass>
  </ptm>
  <ptm>
    <name>Ser-&gt;Glu substitution</name>
    <abbreviation>Ser-&gt;Glu</abbreviation>
    <unimod>1197</unimod>
    <mono_mass>42.010565</mono_mass>
  </ptm>
  <ptm>
    <name>Ser-&gt;His substitution</name>
    <abbreviation>Ser-&gt;His</abbreviation>
    <unimod>1198</unimod>
    <mono_mass>50.026883</mono_mass>
  </ptm>
  <ptm>
    <name>Ser-&gt;Lys substitution</name>
    <abbreviation>Ser-&gt;Lys</abbreviation>
    <unimod>1199</unimod>
    <mono_mass>41.062935</mono_mass>
  </ptm>
  <ptm>
    <name>Ser-&gt;Met substitution</name>
    <abbreviation>Ser-&gt;Met</abbreviation>
    <unimod>1200</unimod>
    <mono_mass>44.008456</mono_mass>
  </ptm>
  <ptm>
    <name>Ser-&gt;Gln substitution</name>
    <abbreviation>Ser-&gt;Gln</abbreviation>
    <unimod>1201</unimod>
    <mono_mass>41.026549</mono_mass>
  </ptm>
  <ptm>
    <name>Ser-&gt;Val substitution</name>
    <abbreviation>Ser-&gt;Val</abbreviation>
    <unimod>1202</unimod>
    <mono_mass>12.036386</mono_mass>
  </ptm>
  <ptm>
    <name>Thr-&gt;Cys substitution</name>
    <abbreviation>Thr-&gt;Cys</abbreviation>
    <unimod>1203</unimod>
    <mono_mass>1.961506</mono_mass>
  </ptm>
  <ptm>
    <name>Thr-&gt;Asp substitution</name>
    <abbreviation>Thr-&gt;Asp</abbreviation>
    <unimod>1204</unimod>
    <mono_mass>13.979265</mono_mass>
  </ptm>
  <ptm>
    <name>Thr-&gt;Glu substitution</name>
    <abbreviation>Thr-&gt;Glu</abbreviation>
    <unimod>1205</unimod>
    <mono_mass>27.994915</mono_mass>
  </ptm>
  <ptm>
    <name>Thr-&gt;Phe substitution</name>
    <abbreviation>Thr-&gt;Phe</abbreviation>
    <unimod>1206</unimod>
    <mono_mass>46.020735</mono_mass>
  </ptm>
  <ptm>
    <name>Thr-&gt;Gly substitution</name>
    <abbreviation>Thr-&gt;Gly</abbreviation>
    <unimod>1207</unimod>
    <mono_mass>-44.026215</mono_mass>
  </ptm>
  <ptm>
    <name>Thr-&gt;His substitution</name>
    <abbreviation>Thr-&gt;His</abbreviation>
    <unimod>1208</unimod>
    <mono_mass>36.011233</mono_mass>
  </ptm>
  <ptm>
    <name>Thr-&gt;Gln substitution</name>
    <abbreviation>Thr-&gt;Gln</abbreviation>
    <unimod>1209</unimod>
    <mono_mass>27.010899</mono_mass>
  </ptm>
  <ptm>
    <name>Thr-&gt;Val substitution</name>
    <abbreviation>Thr-&gt;Val</abbreviation>
    <unimod>1210</unimod>
    <mono_mass>-1.979265</mono_mass>
  </ptm>
  <ptm>
    <name>Thr-&gt;Trp substitution</name>
    <abbreviation>Thr-&gt;Trp</abbreviation>
    <unimod>1211</unimod>
    <mono_mass>85.031634</mono_mass>
  </ptm>
  <ptm>
    <name>Thr-&gt;Tyr substitution</name>
    <abbreviation>Thr-&gt;Tyr</abbreviation>
    <unimod>1212</unimod>
    <mono_mass>62.015650</mono_mass>
  </ptm>
  <ptm>
    <name>Val-&gt;Cys substitution</name>
    <abbreviation>Val-&gt;Cys</abbreviation>
    <unimod>1213</unimod>
    <mono_mass>3.940771</mono_mass>
  </ptm>
  <ptm>
    <name>Val-&gt;His substitution</name>
    <abbreviation>Val-&gt;His</abbreviation>
    <unimod>1214</unimod>
    <mono_mass>37.990498</mono_mass>
  </ptm>
  <ptm>
    <name>Val-&gt;Lys substitution</name>
    <abbreviation>Val-&gt;Lys</abbreviation>
    <unimod>1215</unimod>
    <mono_mass>29.026549</mono_mass>
  </ptm>
  <ptm>
    <name>Val-&gt;Asn substitution</name>
    <abbreviation>Val-&gt;Asn</abbreviation>
    <unimod>1216</unimod>
    <mono_mass>14.974514</mono_mass>
  </ptm>
  <ptm>
    <name>Val-&gt;Pro substitution</name>
    <abbreviation>Val-&gt;Pro</abbreviation>
    <unimod>1217</unimod>
    <mono_mass>-2.015650</mono_mass>
  </ptm>
  <ptm>
    <name>Val-&gt;Gln substitution</name>
    <abbreviation>Val-&gt;Gln</abbreviation>
    <unimod>1218</unimod>
    <mono_mass>28.990164</mono_mass>
  </ptm>
  <ptm>
    <name>Val-&gt;Arg substitution</name>
    <abbreviation>Val-&gt;Arg</abbreviation>
    <unimod>1219</unimod>
    <mono_mass>57.032697</mono_mass>
  </ptm>
  <ptm>
    <name>Val-&gt;Ser substitution</name>
    <abbreviation>Val-&gt;Ser</abbreviation>
    <unimod>1220</unimod>
    <mono_mass>-12.036386</mono_mass>
  </ptm>
  <ptm>
    <name>Val-&gt;Thr substitution</name>
    <abbreviation>Val-&gt;Thr</abbreviation>
    <unimod>1221</unimod>
    <mono_mass>1.979265</mono_mass>
  </ptm>
  <ptm>
    <name>Val-&gt;Trp substitution</name>
    <abbreviation>Val-&gt;Trp</abbreviation>
    <unimod>1222</unimod>
    <mono_mass>87.010899</mono_mass>
  </ptm>
  <ptm>
    <name>Val-&gt;Tyr substitution</name>
    <abbreviation>Val-&gt;Tyr</abbreviation>
    <unimod>1223</unimod>
    <mono_mass>63.994915</mono_mass>
  </ptm>
  <ptm>
    <name>Trp-&gt;Ala substitution</name>
    <abbreviation>Trp-&gt;Ala</abbreviation>
    <unimod>1224</unimod>
    <mono_mass>-115.042199</mono_mass>
  </ptm>
  <ptm>
    <name>Trp-&gt;Asp substitution</name>
    <abbreviation>Trp-&gt;Asp</abbreviation>
    <unimod>1225</unimod>
    <mono_mass>-71.052370</mono_mass>
  </ptm>
  <ptm>
    <name>Trp-&gt;Glu substitution</name>
    <abbreviation>Trp-&gt;Glu</abbreviation>
    <unimod>1226</unimod>
    <mono_mass>-57.036720</mono_mass>
  </ptm>
  <ptm>
    <name>Trp-&gt;Phe substitution</name>
    <abbreviation>Trp-&gt;Phe</abbreviation>
    <unimod>1227</unimod>
    <mono_mass>-39.010899</mono_mass>
  </ptm>
  <ptm>
    <name>Trp-&gt;His substitution</name>
    <abbreviation>Trp-&gt;His</abbreviation>
    <unimod>1228</unimod>
    <mono_mass>-49.020401</mono_mass>
  </ptm>
  <ptm>
    <name>Trp-&gt;Lys substitution</name>
    <abbreviation>Trp-&gt;Lys</abbreviation>
    <unimod>1229</unimod>
    <mono_mass>-57.984350</mono_mass>
  </ptm>
  <ptm>
    <name>Trp-&gt;Met substitution</name>
    <abbreviation>Trp-&gt;Met</abbreviation>
    <unimod>1230</unimod>
    <mono_mass>-55.038828</mono_mass>
  </ptm>
  <ptm>
    <name>Trp-&gt;Asn substitution</name>
    <abbreviation>Trp-&gt;Asn</abbreviation>
    <unimod>1231</unimod>
    <mono_mass>-72.036386</mono_mass>
  </ptm>
  <ptm>
    <name>Trp-&gt;Pro substitution</name>
    <abbreviation>Trp-&gt;Pro</abbreviation>
    <unimod>1232</unimod>
    <mono_mass>-89.026549</mono_mass>
  </ptm>
  <ptm>
    <name>Trp-&gt;Gln substitution</name>
    <abbreviation>Trp-&gt;Gln</abbreviation>
    <unimod>1233</unimod>
    <mono_mass>-58.020735</mono_mass>
  </ptm>
  <ptm>
    <name>Trp-&gt;Thr substitution</name>
    <abbreviation>Trp-&gt;Thr</abbreviation>
    <unimod>1234</unimod>
    <mono_mass>-85.031634</mono_mass>
  </ptm>
  <ptm>
    <name>Trp-&gt;Val substitution</name>
    <abbreviation>Trp-&gt;Val</abbreviation>
    <unimod>1235</unimod>
    <mono_mass>-87.010899</mono_mass>
  </ptm>
  <ptm>
    <name>Trp-&gt;Tyr substitution</name>
    <abbreviation>Trp-&gt;Tyr</abbreviation>
    <unimod>1236</unimod>
    <mono_mass>-23.015984</mono_mass>
  </ptm>
  <ptm>
    <name>Tyr-&gt;Ala substitution</name>
    <abbreviation>Tyr-&gt;Ala</abbreviation>
    <unimod>1237</unimod>
    <mono_mass>-92.026215</mono_mass>
  </ptm>
  <ptm>
    <name>Tyr-&gt;Glu substitution</name>
    <abbreviation>Tyr-&gt;Glu</abbreviation>
    <unimod>1238</unimod>
    <mono_mass>-34.020735</mono_mass>
  </ptm>
  <ptm>
    <name>Tyr-&gt;Gly substitution</name>
    <abbreviation>Tyr-&gt;Gly</abbreviation>
    <unimod>1239</unimod>
    <mono_mass>-106.041865</mono_mass>
  </ptm>
  <ptm>
    <name>Tyr-&gt;Lys substitution</name>
    <abbreviation>Tyr-&gt;Lys</abbreviation>
    <unimod>1240</unimod>
    <mono_mass>-34.968366</mono_mass>
  </ptm>
  <ptm>
    <name>Tyr-&gt;Met substitution</name>
    <abbreviation>Tyr-&gt;Met</abbreviation>
    <unimod>1241</unimod>
    <mono_mass>-32.022844</mono_mass>
  </ptm>
  <ptm>
    <name>Tyr-&gt;Pro substitution</name>
    <abbreviation>Tyr-&gt;Pro</abbreviation>
    <unimod>1242</unimod>
    <mono_mass>-66.010565</mono_mass>
  </ptm>
  <ptm>
    <name>Tyr-&gt;Gln substitution</name>
    <abbreviation>Tyr-&gt;Gln</abbreviation>
    <unimod>1243</unimod>
    <mono_mass>-35.004751</mono_mass>
  </ptm>
  <ptm>
    <name>Tyr-&gt;Arg substitution</name>
    <abbreviation>Tyr-&gt;Arg</abbreviation>
    <unimod>1244</unimod>
    <mono_mass>-6.962218</mono_mass>
  </ptm>
  <ptm>
    <name>Tyr-&gt;Thr substitution</name>
    <abbreviation>Tyr-&gt;Thr</abbreviation>
    <unimod>1245</unimod>
    <mono_mass>-62.015650</mono_mass>
  </ptm>
  <ptm>
    <name>Tyr-&gt;Val substitution</name>
    <abbreviation>Tyr-&gt;Val</abbreviation>
    <unimod>1246</unimod>
    <mono_mass>-63.994915</mono_mass>
  </ptm>
  <ptm>
    <name>Tyr-&gt;Trp substitution</name>
    <abbreviation>Tyr-&gt;Trp</abbreviation>
    <unimod>1247</unimod>
    <mono_mass>23.015984</mono_mass>
  </ptm>
  <ptm>
    <name>Tyr-&gt;Leu/Ile substitution</name>
    <abbreviation>Tyr-&gt;Xle</abbreviation>
    <unimod>1248</unimod>
    <mono_mass>-49.979265</mono_mass>
  </ptm>
  <ptm>
    <name>Azidohomoalanine coupled to reductively cleaved tag</name>
    <abbreviation>AHA-SS</abbreviation>
    <unimod>1249</unimod>
    <mono_mass>195.075625</mono_mass>
  </ptm>
  <ptm>
    <name>carbamidomethylated form of reductively cleaved tag coupled to azidohomoalanine</name>
    <abbreviation>AHA-SS_CAM</abbreviation>
    <unimod>1250</unimod>
    <mono_mass>252.097088</mono_mass>
  </ptm>
  <ptm>
    <name>Sulfo-SBED Label Photoreactive Biotin Crosslinker</name>
    <abbreviation>Biotin:Thermo-33033</abbreviation>
    <unimod>1251</unimod>
    <mono_mass>548.223945</mono_mass>
  </ptm>
  <ptm>
    <name>Sulfo-SBED Label Photoreactive Biotin Crosslinker minus Hydrogen</name>
    <abbreviation>Biotin:Thermo-33033-H</abbreviation>
    <unimod>1252</unimod>
    <mono_mass>546.208295</mono_mass>
  </ptm>
  <ptm>
    <name>S-(2-monomethylsuccinyl) cysteine</name>
    <abbreviation>2-monomethylsuccinyl</abbreviation>
    <unimod>1253</unimod>
    <mono_mass>130.026609</mono_mass>
  </ptm>
  <ptm>
    <name>o-toluene</name>
    <abbreviation>Saligenin</abbreviation>
    <unimod>1254</unimod>
    <mono_mass>106.041865</mono_mass>
  </ptm>
  <ptm>
    <name>o-toluyl-phosphorylation</name>
    <abbreviation>Cresylphosphate</abbreviation>
    <unimod>1255</unimod>
    <mono_mass>170.013281</mono_mass>
  </ptm>
  <ptm>
    <name>Cresyl-Saligenin-phosphorylation</name>
    <abbreviation>CresylSaligeninPhosphate</abbreviation>
    <unimod>1256</unimod>
    <mono_mass>276.055146</mono_mass>
  </ptm>
  <ptm>
    <name>Ub Bromide probe addition</name>
    <abbreviation>Ub-Br2</abbreviation>
    <unimod>1257</unimod>
    <mono_mass>100.063663</mono_mass>
  </ptm>
  <ptm>
    <name>Ubiquitin vinylmethylester</name>
    <abbreviation>Ub-VME</abbreviation>
    <unimod>1258</unimod>
    <mono_mass>173.092617</mono_mass>
  </ptm>
  <ptm>
    <name>Ub amide probe addition</name>
    <abbreviation>Ub-amide</abbreviation>
    <unimod>1260</unimod>
    <mono_mass>196.108602</mono_mass>
  </ptm>
  <ptm>
    <name>Ub Fluorescein probe addition</name>
    <abbreviation>Ub-fluorescein</abbreviation>
    <unimod>1261</unimod>
    <mono_mass>597.209772</mono_mass>
  </ptm>
  <ptm>
    <name>S-(2-dimethylsuccinyl) cysteine</name>
    <abbreviation>2-dimethylsuccinyl</abbreviation>
    <unimod>1262</unimod>
    <mono_mass>144.042259</mono_mass>
  </ptm>
  <ptm>
    <name>Addition of Glycine</name>
    <abbreviation>Gly</abbreviation>
    <unimod>1263</unimod>
    <mono_mass>57.021464</mono_mass>
  </ptm>
  <ptm>
    <name>addition of GGE</name>
    <abbreviation>pupylation</abbreviation>
    <unimod>1264</unimod>
    <mono_mass>243.085521</mono_mass>
  </ptm>
  <ptm>
    <name>13C4 Methionine label</name>
    <abbreviation>Label:13C(4)</abbreviation>
    <unimod>1266</unimod>
    <mono_mass>4.013419</mono_mass>
  </ptm>
  <ptm>
    <name>S-homocysteinylation</name>
    <abbreviation>HCysteinyl</abbreviation>
    <unimod>1271</unimod>
    <mono_mass>133.019749</mono_mass>
  </ptm>
  <ptm>
    <name>Oxidised 13C4 labelled Methionine</name>
    <abbreviation>Label:13C(4)+Oxidation</abbreviation>
    <unimod>1267</unimod>
    <mono_mass>20.008334</mono_mass>
  </ptm>
  <ptm>
    <name>Side reaction of HisTag</name>
    <abbreviation>UgiJoullie</abbreviation>
    <unimod>1276</unimod>
    <mono_mass>1106.489350</mono_mass>
  </ptm>
  <ptm>
    <name>N-Homocysteine thiolactone</name>
    <abbreviation>HCysThiolactone</abbreviation>
    <unimod>1270</unimod>
    <mono_mass>117.024835</mono_mass>
  </ptm>
  <ptm>
    <name>Side reaction of PG with Side chain of aspartic or glutamic acid</name>
    <abbreviation>UgiJoullieProGly</abbreviation>
    <unimod>1282</unimod>
    <mono_mass>154.074228</mono_mass>
  </ptm>
  <ptm>
    <name>Cys modified with dipy ligand</name>
    <abbreviation>Dipyridyl</abbreviation>
    <unimod>1277</unimod>
    <mono_mass>225.090212</mono_mass>
  </ptm>
  <ptm>
    <name>Chemical modification of the iodinated sites of thyroglobulin by Suzuki reaction</name>
    <abbreviation>Furan</abbreviation>
    <unimod>1278</unimod>
    <mono_mass>66.010565</mono_mass>
  </ptm>
  <ptm>
    <name>Chemical modification of the diiodinated sites of thyroglobulin by Suzuki reaction</name>
    <abbreviation>Difuran</abbreviation>
    <unimod>1279</unimod>
    <mono_mass>132.021129</mono_mass>
  </ptm>
  <ptm>
    <name>1-methyl-3-benzoyl-4-hydroxy-4-phenylpiperidine</name>
    <abbreviation>BMP-piperidinol</abbreviation>
    <unimod>1281</unimod>
    <mono_mass>263.131014</mono_mass>
  </ptm>
  <ptm>
    <name>Side reaction of PGPG with Side chain of aspartic or glutamic acid</name>
    <abbreviation>UgiJoullieProGlyProGly</abbreviation>
    <unimod>1283</unimod>
    <mono_mass>308.148455</mono_mass>
  </ptm>
  <ptm>
    <name>Loss of arginine due to transpeptidation</name>
    <abbreviation>Arg-loss</abbreviation>
    <unimod>1287</unimod>
    <mono_mass>-156.101111</mono_mass>
  </ptm>
  <ptm>
    <name>Addition of arginine due to transpeptidation</name>
    <abbreviation>Arg</abbreviation>
    <unimod>1288</unimod>
    <mono_mass>156.101111</mono_mass>
  </ptm>
  <ptm>
    <name>Glycosylation with IME linked Hex(2) NeuAc</name>
    <abbreviation>IMEHex(2)NeuAc(1)</abbreviation>
    <unimod>1286</unimod>
    <mono_mass>688.199683</mono_mass>
  </ptm>
  <ptm>
    <name>Butyryl</name>
    <abbreviation>Butyryl</abbreviation>
    <unimod>1289</unimod>
    <mono_mass>70.041865</mono_mass>
  </ptm>
  <ptm>
    <name>Double Carbamidomethylation</name>
    <abbreviation>Dicarbamidomethyl</abbreviation>
    <unimod>1290</unimod>
    <mono_mass>114.042927</mono_mass>
  </ptm>
  <ptm>
    <name>Dimethyl-Medium</name>
    <abbreviation>Dimethyl:2H(6)</abbreviation>
    <unimod>1291</unimod>
    <mono_mass>34.068961</mono_mass>
  </ptm>
  <ptm>
    <name>SUMOylation leaving GlyGlyGln</name>
    <abbreviation>GGQ</abbreviation>
    <unimod>1292</unimod>
    <mono_mass>242.101505</mono_mass>
  </ptm>
  <ptm>
    <name>SUMOylation leaving GlnThrGlyGly</name>
    <abbreviation>QTGG</abbreviation>
    <unimod>1293</unimod>
    <mono_mass>343.149184</mono_mass>
  </ptm>
  <ptm>
    <name>13C3 15N1 label for SILAC</name>
    <abbreviation>Label:13C(3)15N(1)</abbreviation>
    <unimod>1297</unimod>
    <mono_mass>4.007099</mono_mass>
  </ptm>
  <ptm>
    <name>13C3 label for SILAC</name>
    <abbreviation>Label:13C(3)</abbreviation>
    <unimod>1296</unimod>
    <mono_mass>3.010064</mono_mass>
  </ptm>
  <ptm>
    <name>13C4 15N1 label for SILAC</name>
    <abbreviation>Label:13C(4)15N(1)</abbreviation>
    <unimod>1298</unimod>
    <mono_mass>5.010454</mono_mass>
  </ptm>
  <ptm>
    <name>2H(10) label</name>
    <abbreviation>Label:2H(10)</abbreviation>
    <unimod>1299</unimod>
    <mono_mass>10.062767</mono_mass>
  </ptm>
  <ptm>
    <name>Label:2H(4)13C(1)</name>
    <abbreviation>Label:2H(4)13C(1)</abbreviation>
    <unimod>1300</unimod>
    <mono_mass>5.028462</mono_mass>
  </ptm>
  <ptm>
    <name>Addition of lysine due to transpeptidation</name>
    <abbreviation>Lys</abbreviation>
    <unimod>1301</unimod>
    <mono_mass>128.094963</mono_mass>
  </ptm>
  <ptm>
    <name>mTRAQ heavy</name>
    <abbreviation>mTRAQ:13C(6)15N(2)</abbreviation>
    <unimod>1302</unimod>
    <mono_mass>148.109162</mono_mass>
  </ptm>
  <ptm>
    <name>N-acetyl neuraminic acid</name>
    <abbreviation>NeuAc</abbreviation>
    <unimod>1303</unimod>
    <mono_mass>291.095417</mono_mass>
  </ptm>
  <ptm>
    <name>N-glycoyl neuraminic acid</name>
    <abbreviation>NeuGc</abbreviation>
    <unimod>1304</unimod>
    <mono_mass>307.090331</mono_mass>
  </ptm>
  <ptm>
    <name>Propyl</name>
    <abbreviation>Propyl</abbreviation>
    <unimod>1305</unimod>
    <mono_mass>42.046950</mono_mass>
  </ptm>
  <ptm>
    <name>Propyl:2H(6)</name>
    <abbreviation>Propyl:2H(6)</abbreviation>
    <unimod>1306</unimod>
    <mono_mass>48.084611</mono_mass>
  </ptm>
  <ptm>
    <name>Propiophenone</name>
    <abbreviation>Propiophenone</abbreviation>
    <unimod>1310</unimod>
    <mono_mass>132.057515</mono_mass>
  </ptm>
  <ptm>
    <name>reaction with phenyl salicylate (PS)</name>
    <abbreviation>PS_Hapten</abbreviation>
    <unimod>1345</unimod>
    <mono_mass>120.021129</mono_mass>
  </ptm>
  <ptm>
    <name>Cy3 Maleimide mono-Reactive dye</name>
    <abbreviation>Cy3-maleimide</abbreviation>
    <unimod>1348</unimod>
    <mono_mass>753.262796</mono_mass>
  </ptm>
  <ptm>
    <name>Reduced acrolein addition +58</name>
    <abbreviation>Delta:H(6)C(3)O(1)</abbreviation>
    <unimod>1312</unimod>
    <mono_mass>58.041865</mono_mass>
  </ptm>
  <ptm>
    <name>Reduced acrolein addition +96</name>
    <abbreviation>Delta:H(8)C(6)O(1)</abbreviation>
    <unimod>1313</unimod>
    <mono_mass>96.057515</mono_mass>
  </ptm>
  <ptm>
    <name>biotin hydrazide labeled acrolein addition +298</name>
    <abbreviation>biotinAcrolein298</abbreviation>
    <unimod>1314</unimod>
    <mono_mass>298.146347</mono_mass>
  </ptm>
  <ptm>
    <name>3-methyl-5-(methylamino)-1,3-diphenylpentan-1-one</name>
    <abbreviation>MM-diphenylpentanone</abbreviation>
    <unimod>1315</unimod>
    <mono_mass>265.146664</mono_mass>
  </ptm>
  <ptm>
    <name>2-ethyl-3-hydroxy-1,3-diphenylpentan-1-one</name>
    <abbreviation>EHD-diphenylpentanone</abbreviation>
    <unimod>1317</unimod>
    <mono_mass>266.130680</mono_mass>
  </ptm>
  <ptm>
    <name>modification of the lysine side chain from NH2 to guanidine with a H removed in favor of a benzyl group</name>
    <abbreviation>benzylguanidine</abbreviation>
    <unimod>1349</unimod>
    <mono_mass>132.068748</mono_mass>
  </ptm>
  <ptm>
    <name>A fixed +1 charge tag attached to the N-terminus of peptides</name>
    <abbreviation>CarboxymethylDMAP</abbreviation>
    <unimod>1350</unimod>
    <mono_mass>162.079313</mono_mass>
  </ptm>
  <ptm>
    <name>Maleimide-Biotin + 2Water</name>
    <abbreviation>Biotin:Thermo-21901+2H2O</abbreviation>
    <unimod>1320</unimod>
    <mono_mass>561.246849</mono_mass>
  </ptm>
  <ptm>
    <name>Accurate mass for DiLeu 115 isobaric tag</name>
    <abbreviation>DiLeu4plex115</abbreviation>
    <unimod>1321</unimod>
    <mono_mass>145.120000</mono_mass>
  </ptm>
  <ptm>
    <name>Accurate mass for DiLeu 116 isobaric tag</name>
    <abbreviation>DiLeu4plex</abbreviation>
    <unimod>1322</unimod>
    <mono_mass>145.132163</mono_mass>
  </ptm>
  <ptm>
    <name>Accurate mass for DiLeu 117 isobaric tag</name>
    <abbreviation>DiLeu4plex117</abbreviation>
    <unimod>1323</unimod>
    <mono_mass>145.128307</mono_mass>
  </ptm>
  <ptm>
    <name>Accurate mass for DiLeu 118 isobaric tag</name>
    <abbreviation>DiLeu4plex118</abbreviation>
    <unimod>1324</unimod>
    <mono_mass>145.140471</mono_mass>
  </ptm>
  <ptm>
    <name>BisANS with loss of both sulfonates</name>
    <abbreviation>bisANS-sulfonates</abbreviation>
    <unimod>1330</unimod>
    <mono_mass>437.201774</mono_mass>
  </ptm>
  <ptm>
    <name>Chemical reaction with 2,4-dinitro-1-chloro benzene (DNCB)</name>
    <abbreviation>DNCB_hapten</abbreviation>
    <unimod>1331</unimod>
    <mono_mass>166.001457</mono_mass>
  </ptm>
  <ptm>
    <name>N-ethylmaleimideSulfur</name>
    <abbreviation>NEMsulfur</abbreviation>
    <unimod>1326</unimod>
    <mono_mass>157.019749</mono_mass>
  </ptm>
  <ptm>
    <name>SulfurDioxide</name>
    <abbreviation>SulfurDioxide</abbreviation>
    <unimod>1327</unimod>
    <mono_mass>63.961900</mono_mass>
  </ptm>
  <ptm>
    <name>N-ethylmaleimideSulfurWater</name>
    <abbreviation>NEMsulfurWater</abbreviation>
    <unimod>1328</unimod>
    <mono_mass>175.030314</mono_mass>
  </ptm>
  <ptm>
    <name>Modification by hydroxylated tris-(2-chloroethyl)amine (HN-3)</name>
    <abbreviation>HN3_mustard</abbreviation>
    <unimod>1389</unimod>
    <mono_mass>131.094629</mono_mass>
  </ptm>
  <ptm>
    <name>3-phosphoglyceryl</name>
    <abbreviation>3-phosphoglyceryl</abbreviation>
    <unimod>1387</unimod>
    <mono_mass>167.982375</mono_mass>
  </ptm>
  <ptm>
    <name>Modification by hydroxylated mechloroethamine (HN-2)</name>
    <abbreviation>HN2_mustard</abbreviation>
    <unimod>1388</unimod>
    <mono_mass>101.084064</mono_mass>
  </ptm>
  <ptm>
    <name>D5 N-ethylmaleimide+water on cysteines</name>
    <abbreviation>NEM:2H(5)+H2O</abbreviation>
    <unimod>1358</unimod>
    <mono_mass>148.089627</mono_mass>
  </ptm>
  <ptm>
    <name>Crotonylation</name>
    <abbreviation>Crotonyl</abbreviation>
    <unimod>1363</unimod>
    <mono_mass>68.026215</mono_mass>
  </ptm>
  <ptm>
    <name>O-ethyl, N-dimethyl phosphate</name>
    <abbreviation>O-Et-N-diMePhospho</abbreviation>
    <unimod>1364</unimod>
    <mono_mass>135.044916</mono_mass>
  </ptm>
  <ptm>
    <name>N-dimethylphosphate</name>
    <abbreviation>N-dimethylphosphate</abbreviation>
    <unimod>1365</unimod>
    <mono_mass>107.013615</mono_mass>
  </ptm>
  <ptm>
    <name>phosphate-ribosylation</name>
    <abbreviation>phosphoRibosyl</abbreviation>
    <unimod>1356</unimod>
    <mono_mass>212.008590</mono_mass>
  </ptm>
  <ptm>
    <name>Formation of five membered aromatic heterocycle</name>
    <abbreviation>azole</abbreviation>
    <unimod>1355</unimod>
    <mono_mass>-20.026215</mono_mass>
  </ptm>
  <ptm>
    <name>Biotin-PEG11-maleimide</name>
    <abbreviation>Biotin:Thermo-21911</abbreviation>
    <unimod>1340</unimod>
    <mono_mass>921.461652</mono_mass>
  </ptm>
  <ptm>
    <name>Native iodoacetyl Tandem Mass Tag&#xAE;</name>
    <abbreviation>iodoTMT</abbreviation>
    <unimod>1341</unimod>
    <mono_mass>324.216141</mono_mass>
  </ptm>
  <ptm>
    <name>Sixplex iodoacetyl Tandem Mass Tag&#xAE;</name>
    <abbreviation>iodoTMT6plex</abbreviation>
    <unimod>1342</unimod>
    <mono_mass>329.226595</mono_mass>
  </ptm>
  <ptm>
    <name>13C(2) 15N(2)</name>
    <abbreviation>Label:13C(2)15N(2)</abbreviation>
    <unimod>1787</unimod>
    <mono_mass>4.000780</mono_mass>
  </ptm>
  <ptm>
    <name>Phosphogluconoylation</name>
    <abbreviation>Phosphogluconoylation</abbreviation>
    <unimod>1344</unimod>
    <mono_mass>258.014069</mono_mass>
  </ptm>
  <ptm>
    <name>3-fold methylated lysine labelled with Acetyl_heavy</name>
    <abbreviation>Methyl:2H(3)+Acetyl:2H(3)</abbreviation>
    <unimod>1368</unimod>
    <mono_mass>62.063875</mono_mass>
  </ptm>
  <ptm>
    <name>Hex1dHex1</name>
    <abbreviation>dHex(1)Hex(1)</abbreviation>
    <unimod>1367</unimod>
    <mono_mass>308.110732</mono_mass>
  </ptm>
  <ptm>
    <name>reaction with methyl vinyl sulfone</name>
    <abbreviation>methylsulfonylethyl</abbreviation>
    <unimod>1380</unimod>
    <mono_mass>106.008850</mono_mass>
  </ptm>
  <ptm>
    <name>Oxidised 2H(3) labelled Methionine</name>
    <abbreviation>Label:2H(3)+Oxidation</abbreviation>
    <unimod>1370</unimod>
    <mono_mass>19.013745</mono_mass>
  </ptm>
  <ptm>
    <name>3-fold methylation with deuterated methyl groups</name>
    <abbreviation>Trimethyl:2H(9)</abbreviation>
    <unimod>1371</unimod>
    <mono_mass>51.103441</mono_mass>
  </ptm>
  <ptm>
    <name>heavy acetylation</name>
    <abbreviation>Acetyl:13C(2)</abbreviation>
    <unimod>1372</unimod>
    <mono_mass>44.017274</mono_mass>
  </ptm>
  <ptm>
    <name>Hex2dHex1</name>
    <abbreviation>dHex(1)Hex(2)</abbreviation>
    <unimod>1375</unimod>
    <mono_mass>470.163556</mono_mass>
  </ptm>
  <ptm>
    <name>Hex3dHex1</name>
    <abbreviation>dHex(1)Hex(3)</abbreviation>
    <unimod>1376</unimod>
    <mono_mass>632.216379</mono_mass>
  </ptm>
  <ptm>
    <name>Hex4dHex1</name>
    <abbreviation>dHex(1)Hex(4)</abbreviation>
    <unimod>1377</unimod>
    <mono_mass>794.269203</mono_mass>
  </ptm>
  <ptm>
    <name>Hex5dHex1</name>
    <abbreviation>dHex(1)Hex(5)</abbreviation>
    <unimod>1378</unimod>
    <mono_mass>956.322026</mono_mass>
  </ptm>
  <ptm>
    <name>Hex6dHex1</name>
    <abbreviation>dHex(1)Hex(6)</abbreviation>
    <unimod>1379</unimod>
    <mono_mass>1118.374850</mono_mass>
  </ptm>
  <ptm>
    <name>reaction with ethyl vinyl sulfone</name>
    <abbreviation>ethylsulfonylethyl</abbreviation>
    <unimod>1381</unimod>
    <mono_mass>120.024500</mono_mass>
  </ptm>
  <ptm>
    <name>reaction with phenyl vinyl sulfone</name>
    <abbreviation>phenylsulfonylethyl</abbreviation>
    <unimod>1382</unimod>
    <mono_mass>168.024500</mono_mass>
  </ptm>
  <ptm>
    <name>PLP bound to lysine reduced by sodium borohydride (NaBH4) to create amine linkage</name>
    <abbreviation>PyridoxalPhosphateH2</abbreviation>
    <unimod>1383</unimod>
    <mono_mass>231.029660</mono_mass>
  </ptm>
  <ptm>
    <name>methionine oxidation to homocysteic acid</name>
    <abbreviation>Homocysteic_acid</abbreviation>
    <unimod>1384</unimod>
    <mono_mass>33.969094</mono_mass>
  </ptm>
  <ptm>
    <name>Conversion of carboxylic acid to hydroxamic acid</name>
    <abbreviation>Hydroxamic_acid</abbreviation>
    <unimod>1385</unimod>
    <mono_mass>15.010899</mono_mass>
  </ptm>
  <ptm>
    <name>N-ethylmaleimide on cysteine sulfenic acid</name>
    <abbreviation>Oxidation+NEM</abbreviation>
    <unimod>1390</unimod>
    <mono_mass>141.042593</mono_mass>
  </ptm>
  <ptm>
    <name>fluorescein-hexanoate-NHS hydrolysis</name>
    <abbreviation>NHS-fluorescein</abbreviation>
    <unimod>1391</unimod>
    <mono_mass>471.131802</mono_mass>
  </ptm>
  <ptm>
    <name>Representative mass and accurate mass for 114</name>
    <abbreviation>DiART6plex</abbreviation>
    <unimod>1392</unimod>
    <mono_mass>217.162932</mono_mass>
  </ptm>
  <ptm>
    <name>Accurate mass for DiART6plex 115</name>
    <abbreviation>DiART6plex115</abbreviation>
    <unimod>1393</unimod>
    <mono_mass>217.156612</mono_mass>
  </ptm>
  <ptm>
    <name>Accurate mass for DiART6plex 116 and 119</name>
    <abbreviation>DiART6plex116/119</abbreviation>
    <unimod>1394</unimod>
    <mono_mass>217.168776</mono_mass>
  </ptm>
  <ptm>
    <name>Accurate mass for DiART6plex 117</name>
    <abbreviation>DiART6plex117</abbreviation>
    <unimod>1395</unimod>
    <mono_mass>217.162456</mono_mass>
  </ptm>
  <ptm>
    <name>Accurate mass for DiART6plex 118</name>
    <abbreviation>DiART6plex118</abbreviation>
    <unimod>1396</unimod>
    <mono_mass>217.175096</mono_mass>
  </ptm>
  <ptm>
    <name>iodoacetanilide derivative</name>
    <abbreviation>Iodoacetanilide</abbreviation>
    <unimod>1397</unimod>
    <mono_mass>133.052764</mono_mass>
  </ptm>
  <ptm>
    <name>13C labelled iodoacetanilide derivative</name>
    <abbreviation>Iodoacetanilide:13C(6)</abbreviation>
    <unimod>1398</unimod>
    <mono_mass>139.072893</mono_mass>
  </ptm>
  <ptm>
    <name>Diaminopimelic acid-DSP monolinked</name>
    <abbreviation>Dap-DSP</abbreviation>
    <unimod>1399</unimod>
    <mono_mass>328.055148</mono_mass>
  </ptm>
  <ptm>
    <name>N-Acetylmuramic acid</name>
    <abbreviation>MurNAc</abbreviation>
    <unimod>1400</unimod>
    <mono_mass>275.100502</mono_mass>
  </ptm>
  <ptm>
    <name>Sumoylation by SUMO-1 after Cyanogen bromide (CNBr) cleavage</name>
    <abbreviation>EEEDVIEVYQEQTGG</abbreviation>
    <unimod>1405</unimod>
    <mono_mass>1705.731890</mono_mass>
  </ptm>
  <ptm>
    <name>Label:2H(7)15N(4)</name>
    <abbreviation>Label:2H(7)15N(4)</abbreviation>
    <unimod>1402</unimod>
    <mono_mass>11.032077</mono_mass>
  </ptm>
  <ptm>
    <name>Label:2H(6)15N(1)</name>
    <abbreviation>Label:2H(6)15N(1)</abbreviation>
    <unimod>1403</unimod>
    <mono_mass>7.034695</mono_mass>
  </ptm>
  <ptm>
    <name>Sumoylation by SUMO-2/3 after Cyanogen bromide (CNBr) cleavage</name>
    <abbreviation>EDEDTIDVFQQQTGG</abbreviation>
    <unimod>1406</unimod>
    <mono_mass>1662.700924</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(5) HexNAc(4) NeuAc(2)</name>
    <abbreviation>Hex(5)HexNAc(4)NeuAc(2)</abbreviation>
    <unimod>1408</unimod>
    <mono_mass>2204.772441</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(5) HexNAc(4) NeuAc</name>
    <abbreviation>Hex(5)HexNAc(4)NeuAc(1)</abbreviation>
    <unimod>1409</unimod>
    <mono_mass>1913.677025</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(5) HexNAc(4) NeuAc</name>
    <abbreviation>dHex(1)Hex(5)HexNAc(4)NeuAc(1)</abbreviation>
    <unimod>1410</unimod>
    <mono_mass>2059.734933</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(5) HexNAc(4) NeuAc(2)</name>
    <abbreviation>dHex(1)Hex(5)HexNAc(4)NeuAc(2)</abbreviation>
    <unimod>1411</unimod>
    <mono_mass>2350.830350</mono_mass>
  </ptm>
  <ptm>
    <name>O3S1HexNAc1</name>
    <abbreviation>s-GlcNAc</abbreviation>
    <unimod>1412</unimod>
    <mono_mass>283.036187</mono_mass>
  </ptm>
  <ptm>
    <name>H1O3P1Hex2</name>
    <abbreviation>PhosphoHex(2)</abbreviation>
    <unimod>1413</unimod>
    <mono_mass>404.071978</mono_mass>
  </ptm>
  <ptm>
    <name>3-fold methylation with fully labelled methyl groups</name>
    <abbreviation>Trimethyl:13C(3)2H(9)</abbreviation>
    <unimod>1414</unimod>
    <mono_mass>54.113505</mono_mass>
  </ptm>
  <ptm>
    <name>Loss of ammonia (15N)</name>
    <abbreviation>15N-oxobutanoic</abbreviation>
    <unimod>1419</unimod>
    <mono_mass>-18.023584</mono_mass>
  </ptm>
  <ptm>
    <name>spermidine adduct</name>
    <abbreviation>spermidine</abbreviation>
    <unimod>1421</unimod>
    <mono_mass>128.131349</mono_mass>
  </ptm>
  <ptm>
    <name>Biotin_PEG4</name>
    <abbreviation>Biotin:Thermo-21330</abbreviation>
    <unimod>1423</unimod>
    <mono_mass>473.219571</mono_mass>
  </ptm>
  <ptm>
    <name>Hex Pent(2)</name>
    <abbreviation>Hex(1)Pent(2)</abbreviation>
    <unimod>1428</unimod>
    <mono_mass>426.137341</mono_mass>
  </ptm>
  <ptm>
    <name>Pentose</name>
    <abbreviation>Pentose</abbreviation>
    <unimod>1425</unimod>
    <mono_mass>132.042259</mono_mass>
  </ptm>
  <ptm>
    <name>Hex Pent</name>
    <abbreviation>Hex(1)Pent(1)</abbreviation>
    <unimod>1426</unimod>
    <mono_mass>294.095082</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexA</name>
    <abbreviation>Hex(1)HexA(1)</abbreviation>
    <unimod>1427</unimod>
    <mono_mass>338.084912</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc Phos</name>
    <abbreviation>Hex(1)HexNAc(1)Phos(1)</abbreviation>
    <unimod>1429</unimod>
    <mono_mass>445.098527</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc Sulf</name>
    <abbreviation>Hex(1)HexNAc(1)Sulf(1)</abbreviation>
    <unimod>1430</unimod>
    <mono_mass>445.089011</mono_mass>
  </ptm>
  <ptm>
    <name>Hex NeuAc</name>
    <abbreviation>Hex(1)NeuAc(1)</abbreviation>
    <unimod>1431</unimod>
    <mono_mass>453.148240</mono_mass>
  </ptm>
  <ptm>
    <name>Hex NeuGc</name>
    <abbreviation>Hex(1)NeuGc(1)</abbreviation>
    <unimod>1432</unimod>
    <mono_mass>469.143155</mono_mass>
  </ptm>
  <ptm>
    <name>HexNAc(3)</name>
    <abbreviation>HexNAc(3)</abbreviation>
    <unimod>1433</unimod>
    <mono_mass>609.238118</mono_mass>
  </ptm>
  <ptm>
    <name>HexNAc NeuAc</name>
    <abbreviation>HexNAc(1)NeuAc(1)</abbreviation>
    <unimod>1434</unimod>
    <mono_mass>494.174789</mono_mass>
  </ptm>
  <ptm>
    <name>HexNAc NeuGc</name>
    <abbreviation>HexNAc(1)NeuGc(1)</abbreviation>
    <unimod>1435</unimod>
    <mono_mass>510.169704</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) NeuAc</name>
    <abbreviation>Hex(2)NeuAc(1)</abbreviation>
    <unimod>1444</unimod>
    <mono_mass>615.201064</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc dHex Me</name>
    <abbreviation>Hex(1)HexNAc(1)dHex(1)Me(1)</abbreviation>
    <unimod>1436</unimod>
    <mono_mass>525.205755</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc dHex Me(2)</name>
    <abbreviation>Hex(1)HexNAc(1)dHex(1)Me(2)</abbreviation>
    <unimod>1437</unimod>
    <mono_mass>539.221405</mono_mass>
  </ptm>
  <ptm>
    <name>Ammonium-quenched monolink of DSS/BS3 crosslinker to Lys or N-terminus</name>
    <abbreviation>Xlink:DSS-NH2</abbreviation>
    <unimod>1789</unimod>
    <mono_mass>155.094629</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc</name>
    <abbreviation>Hex(2)HexNAc(1)</abbreviation>
    <unimod>1438</unimod>
    <mono_mass>527.185020</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexA HexNAc</name>
    <abbreviation>Hex(1)HexA(1)HexNAc(1)</abbreviation>
    <unimod>1439</unimod>
    <mono_mass>541.164284</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc Me</name>
    <abbreviation>Hex(2)HexNAc(1)Me(1)</abbreviation>
    <unimod>1440</unimod>
    <mono_mass>541.200670</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) Phos</name>
    <abbreviation>Hex(3)Phos(1)</abbreviation>
    <unimod>1441</unimod>
    <mono_mass>566.124801</mono_mass>
  </ptm>
  <ptm>
    <name>Hex NeuAc Pent</name>
    <abbreviation>Hex(1)NeuAc(1)Pent(1)</abbreviation>
    <unimod>1442</unimod>
    <mono_mass>585.190499</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc Sulf</name>
    <abbreviation>Hex(2)HexNAc(1)Sulf(1)</abbreviation>
    <unimod>1443</unimod>
    <mono_mass>607.141834</mono_mass>
  </ptm>
  <ptm>
    <name>Hex2 dHex2</name>
    <abbreviation>dHex(2)Hex(2)</abbreviation>
    <unimod>1445</unimod>
    <mono_mass>616.221465</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(2) HexA</name>
    <abbreviation>dHex(1)Hex(2)HexA(1)</abbreviation>
    <unimod>1446</unimod>
    <mono_mass>646.195644</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc(2) Sulf</name>
    <abbreviation>Hex(1)HexNAc(2)Sulf(1)</abbreviation>
    <unimod>1447</unimod>
    <mono_mass>648.168383</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(4)</name>
    <abbreviation>Hex(4)</abbreviation>
    <unimod>1448</unimod>
    <mono_mass>648.211294</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(2) HexNAc(2) Pent</name>
    <abbreviation>dHex(1)Hex(2)HexNAc(2)Pent(1)</abbreviation>
    <unimod>1449</unimod>
    <mono_mass>1008.364560</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc(2) NeuAc</name>
    <abbreviation>Hex(2)HexNAc(2)NeuAc(1)</abbreviation>
    <unimod>1450</unimod>
    <mono_mass>1021.359809</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(2) Pent</name>
    <abbreviation>Hex(3)HexNAc(2)Pent(1)</abbreviation>
    <unimod>1451</unimod>
    <mono_mass>1024.359475</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(4) HexNAc(2)</name>
    <abbreviation>Hex(4)HexNAc(2)</abbreviation>
    <unimod>1452</unimod>
    <mono_mass>1054.370039</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(4) HexNAc Pent</name>
    <abbreviation>dHex(1)Hex(4)HexNAc(1)Pent(1)</abbreviation>
    <unimod>1453</unimod>
    <mono_mass>1129.390834</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexNAc(2) Pent</name>
    <abbreviation>dHex(1)Hex(3)HexNAc(2)Pent(1)</abbreviation>
    <unimod>1454</unimod>
    <mono_mass>1170.417383</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(2) NeuAc</name>
    <abbreviation>Hex(3)HexNAc(2)NeuAc(1)</abbreviation>
    <unimod>1455</unimod>
    <mono_mass>1183.412632</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(4) HexNAc(2) Pent</name>
    <abbreviation>Hex(4)HexNAc(2)Pent(1)</abbreviation>
    <unimod>1456</unimod>
    <mono_mass>1186.412298</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(3) Pent</name>
    <abbreviation>Hex(3)HexNAc(3)Pent(1)</abbreviation>
    <unimod>1457</unimod>
    <mono_mass>1227.438847</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(5) HexNAc(2) Phos</name>
    <abbreviation>Hex(5)HexNAc(2)Phos(1)</abbreviation>
    <unimod>1458</unimod>
    <mono_mass>1296.389194</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(4) HexNAc(2) Pent</name>
    <abbreviation>dHex(1)Hex(4)HexNAc(2)Pent(1)</abbreviation>
    <unimod>1459</unimod>
    <mono_mass>1332.470207</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(7) HexNAc</name>
    <abbreviation>Hex(7)HexNAc(1)</abbreviation>
    <unimod>1460</unimod>
    <mono_mass>1337.449137</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(4) HexNAc(2) NeuAc</name>
    <abbreviation>Hex(4)HexNAc(2)NeuAc(1)</abbreviation>
    <unimod>1461</unimod>
    <mono_mass>1345.465456</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(5) HexNAc(2)</name>
    <abbreviation>dHex(1)Hex(5)HexNAc(2)</abbreviation>
    <unimod>1462</unimod>
    <mono_mass>1362.480772</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexNAc(3) Pent</name>
    <abbreviation>dHex(1)Hex(3)HexNAc(3)Pent(1)</abbreviation>
    <unimod>1463</unimod>
    <mono_mass>1373.496756</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(4) Sulf</name>
    <abbreviation>Hex(3)HexNAc(4)Sulf(1)</abbreviation>
    <unimod>1464</unimod>
    <mono_mass>1378.432776</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(6) HexNAc(2)</name>
    <abbreviation>Hex(6)HexNAc(2)</abbreviation>
    <unimod>1465</unimod>
    <mono_mass>1378.475686</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(4) HexNAc(3) Pent</name>
    <abbreviation>Hex(4)HexNAc(3)Pent(1)</abbreviation>
    <unimod>1466</unimod>
    <mono_mass>1389.491671</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(4) HexNAc(3)</name>
    <abbreviation>dHex(1)Hex(4)HexNAc(3)</abbreviation>
    <unimod>1467</unimod>
    <mono_mass>1403.507321</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(5) HexNAc(3)</name>
    <abbreviation>Hex(5)HexNAc(3)</abbreviation>
    <unimod>1468</unimod>
    <mono_mass>1419.502235</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(4) Pent</name>
    <abbreviation>Hex(3)HexNAc(4)Pent(1)</abbreviation>
    <unimod>1469</unimod>
    <mono_mass>1430.518220</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(6) HexNAc(2) Phos</name>
    <abbreviation>Hex(6)HexNAc(2)Phos(1)</abbreviation>
    <unimod>1470</unimod>
    <mono_mass>1458.442017</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(4) HexNAc(3) Sulf</name>
    <abbreviation>dHex(1)Hex(4)HexNAc(3)Sulf(1)</abbreviation>
    <unimod>1471</unimod>
    <mono_mass>1483.464135</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(5) HexNAc(2) Pent</name>
    <abbreviation>dHex(1)Hex(5)HexNAc(2)Pent(1)</abbreviation>
    <unimod>1472</unimod>
    <mono_mass>1494.523030</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(8) HexNAc</name>
    <abbreviation>Hex(8)HexNAc(1)</abbreviation>
    <unimod>1473</unimod>
    <mono_mass>1499.501961</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexNAc(3) Pent(2)</name>
    <abbreviation>dHex(1)Hex(3)HexNAc(3)Pent(2)</abbreviation>
    <unimod>1474</unimod>
    <mono_mass>1505.539015</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(3) HexNAc(3) Pent</name>
    <abbreviation>dHex(2)Hex(3)HexNAc(3)Pent(1)</abbreviation>
    <unimod>1475</unimod>
    <mono_mass>1519.554665</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexNAc(4) Sulf</name>
    <abbreviation>dHex(1)Hex(3)HexNAc(4)Sulf(1)</abbreviation>
    <unimod>1476</unimod>
    <mono_mass>1524.490684</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(6) HexNAc(2)</name>
    <abbreviation>dHex(1)Hex(6)HexNAc(2)</abbreviation>
    <unimod>1477</unimod>
    <mono_mass>1524.533595</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(4) HexNAc(3) Pent</name>
    <abbreviation>dHex(1)Hex(4)HexNAc(3)Pent(1)</abbreviation>
    <unimod>1478</unimod>
    <mono_mass>1535.549579</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(4) HexNAc(4) Sulf</name>
    <abbreviation>Hex(4)HexNAc(4)Sulf(1)</abbreviation>
    <unimod>1479</unimod>
    <mono_mass>1540.485599</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(7) HexNAc(2)</name>
    <abbreviation>Hex(7)HexNAc(2)</abbreviation>
    <unimod>1480</unimod>
    <mono_mass>1540.528510</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(4) HexNAc(3)</name>
    <abbreviation>dHex(2)Hex(4)HexNAc(3)</abbreviation>
    <unimod>1481</unimod>
    <mono_mass>1549.565230</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(5) HexNAc(3) Pent</name>
    <abbreviation>Hex(5)HexNAc(3)Pent(1)</abbreviation>
    <unimod>1482</unimod>
    <mono_mass>1551.544494</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(4) HexNAc(3) NeuGc</name>
    <abbreviation>Hex(4)HexNAc(3)NeuGc(1)</abbreviation>
    <unimod>1483</unimod>
    <mono_mass>1564.539743</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(5) HexNAc(3)</name>
    <abbreviation>dHex(1)Hex(5)HexNAc(3)</abbreviation>
    <unimod>1484</unimod>
    <mono_mass>1565.560144</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexNAc(4) Pent</name>
    <abbreviation>dHex(1)Hex(3)HexNAc(4)Pent(1)</abbreviation>
    <unimod>1485</unimod>
    <mono_mass>1576.576129</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(5) Sulf</name>
    <abbreviation>Hex(3)HexNAc(5)Sulf(1)</abbreviation>
    <unimod>1486</unimod>
    <mono_mass>1581.512148</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(6) HexNAc(3)</name>
    <abbreviation>Hex(6)HexNAc(3)</abbreviation>
    <unimod>1487</unimod>
    <mono_mass>1581.555059</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(4) NeuAc</name>
    <abbreviation>Hex(3)HexNAc(4)NeuAc(1)</abbreviation>
    <unimod>1488</unimod>
    <mono_mass>1589.571378</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(4) HexNAc(4) Pent</name>
    <abbreviation>Hex(4)HexNAc(4)Pent(1)</abbreviation>
    <unimod>1489</unimod>
    <mono_mass>1592.571043</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(7) HexNAc(2) Phos</name>
    <abbreviation>Hex(7)HexNAc(2)Phos(1)</abbreviation>
    <unimod>1490</unimod>
    <mono_mass>1620.494841</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(4) HexNAc(4) Me(2) Pent</name>
    <abbreviation>Hex(4)HexNAc(4)Me(2)Pent(1)</abbreviation>
    <unimod>1491</unimod>
    <mono_mass>1620.602343</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexNAc(3) Pent(3)</name>
    <abbreviation>dHex(1)Hex(3)HexNAc(3)Pent(3)</abbreviation>
    <unimod>1492</unimod>
    <mono_mass>1637.581274</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(5) HexNAc(3) Sulf</name>
    <abbreviation>dHex(1)Hex(5)HexNAc(3)Sulf(1)</abbreviation>
    <unimod>1493</unimod>
    <mono_mass>1645.516959</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(3) HexNAc(3) Pent(2)</name>
    <abbreviation>dHex(2)Hex(3)HexNAc(3)Pent(2)</abbreviation>
    <unimod>1494</unimod>
    <mono_mass>1651.596924</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(6) HexNAc(3) Phos</name>
    <abbreviation>Hex(6)HexNAc(3)Phos(1)</abbreviation>
    <unimod>1495</unimod>
    <mono_mass>1661.521390</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(4) HexNAc(5)</name>
    <abbreviation>Hex(4)HexNAc(5)</abbreviation>
    <unimod>1496</unimod>
    <mono_mass>1663.608157</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(3) Hex(3) HexNAc(3) Pent</name>
    <abbreviation>dHex(3)Hex(3)HexNAc(3)Pent(1)</abbreviation>
    <unimod>1497</unimod>
    <mono_mass>1665.612574</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(4) HexNAc(3) Pent</name>
    <abbreviation>dHex(2)Hex(4)HexNAc(3)Pent(1)</abbreviation>
    <unimod>1498</unimod>
    <mono_mass>1681.607488</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(4) HexNAc(4) Sulf</name>
    <abbreviation>dHex(1)Hex(4)HexNAc(4)Sulf(1)</abbreviation>
    <unimod>1499</unimod>
    <mono_mass>1686.543508</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(7) HexNAc(2)</name>
    <abbreviation>dHex(1)Hex(7)HexNAc(2)</abbreviation>
    <unimod>1500</unimod>
    <mono_mass>1686.586419</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(4) HexNAc(3) NeuAc</name>
    <abbreviation>dHex(1)Hex(4)HexNAc(3)NeuAc(1)</abbreviation>
    <unimod>1501</unimod>
    <mono_mass>1694.602737</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(7) HexNAc(2) Phos(2)</name>
    <abbreviation>Hex(7)HexNAc(2)Phos(2)</abbreviation>
    <unimod>1502</unimod>
    <mono_mass>1700.461172</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(5) HexNAc(4) Sulf</name>
    <abbreviation>Hex(5)HexNAc(4)Sulf(1)</abbreviation>
    <unimod>1503</unimod>
    <mono_mass>1702.538423</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(8) HexNAc(2)</name>
    <abbreviation>Hex(8)HexNAc(2)</abbreviation>
    <unimod>1504</unimod>
    <mono_mass>1702.581333</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexNAc(4) Pent(2)</name>
    <abbreviation>dHex(1)Hex(3)HexNAc(4)Pent(2)</abbreviation>
    <unimod>1505</unimod>
    <mono_mass>1708.618387</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(4) HexNAc(3) NeuGc</name>
    <abbreviation>dHex(1)Hex(4)HexNAc(3)NeuGc(1)</abbreviation>
    <unimod>1506</unimod>
    <mono_mass>1710.597652</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(3) HexNAc(4) Pent</name>
    <abbreviation>dHex(2)Hex(3)HexNAc(4)Pent(1)</abbreviation>
    <unimod>1507</unimod>
    <mono_mass>1722.634037</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexNAc(5) Sulf</name>
    <abbreviation>dHex(1)Hex(3)HexNAc(5)Sulf(1)</abbreviation>
    <unimod>1508</unimod>
    <mono_mass>1727.570057</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(6) HexNAc(3)</name>
    <abbreviation>dHex(1)Hex(6)HexNAc(3)</abbreviation>
    <unimod>1509</unimod>
    <mono_mass>1727.612968</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexNAc(4) NeuAc</name>
    <abbreviation>dHex(1)Hex(3)HexNAc(4)NeuAc(1)</abbreviation>
    <unimod>1510</unimod>
    <mono_mass>1735.629286</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(3) Hex(3) HexNAc(4)</name>
    <abbreviation>dHex(3)Hex(3)HexNAc(4)</abbreviation>
    <unimod>1511</unimod>
    <mono_mass>1736.649688</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(4) HexNAc(4) Pent</name>
    <abbreviation>dHex(1)Hex(4)HexNAc(4)Pent(1)</abbreviation>
    <unimod>1512</unimod>
    <mono_mass>1738.628952</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(4) HexNAc(5) Sulf</name>
    <abbreviation>Hex(4)HexNAc(5)Sulf(1)</abbreviation>
    <unimod>1513</unimod>
    <mono_mass>1743.564972</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(7) HexNAc(3)</name>
    <abbreviation>Hex(7)HexNAc(3)</abbreviation>
    <unimod>1514</unimod>
    <mono_mass>1743.607882</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(4) HexNAc(3) NeuAc Sulf</name>
    <abbreviation>dHex(1)Hex(4)HexNAc(3)NeuAc(1)Sulf(1)</abbreviation>
    <unimod>1515</unimod>
    <mono_mass>1774.559552</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(5) HexNAc(4) Me(2) Pent</name>
    <abbreviation>Hex(5)HexNAc(4)Me(2)Pent(1)</abbreviation>
    <unimod>1516</unimod>
    <mono_mass>1782.655167</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(6) Sulf</name>
    <abbreviation>Hex(3)HexNAc(6)Sulf(1)</abbreviation>
    <unimod>1517</unimod>
    <mono_mass>1784.591521</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(6) HexNAc(3) Sulf</name>
    <abbreviation>dHex(1)Hex(6)HexNAc(3)Sulf(1)</abbreviation>
    <unimod>1518</unimod>
    <mono_mass>1807.569782</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(4) HexNAc(5)</name>
    <abbreviation>dHex(1)Hex(4)HexNAc(5)</abbreviation>
    <unimod>1519</unimod>
    <mono_mass>1809.666066</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(5) HexA HexNAc(3) Sulf</name>
    <abbreviation>dHex(1)Hex(5)HexA(1)HexNAc(3)Sulf(1)</abbreviation>
    <unimod>1520</unimod>
    <mono_mass>1821.549047</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(7) HexNAc(3) Phos</name>
    <abbreviation>Hex(7)HexNAc(3)Phos(1)</abbreviation>
    <unimod>1521</unimod>
    <mono_mass>1823.574213</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(6) HexNAc(4) Me(3)</name>
    <abbreviation>Hex(6)HexNAc(4)Me(3)</abbreviation>
    <unimod>1522</unimod>
    <mono_mass>1826.681382</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(4) HexNAc(4) Sulf</name>
    <abbreviation>dHex(2)Hex(4)HexNAc(4)Sulf(1)</abbreviation>
    <unimod>1523</unimod>
    <mono_mass>1832.601417</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(4) HexNAc(3) NeuAc(2)</name>
    <abbreviation>Hex(4)HexNAc(3)NeuAc(2)</abbreviation>
    <unimod>1524</unimod>
    <mono_mass>1839.640245</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexNAc(4) Pent(3)</name>
    <abbreviation>dHex(1)Hex(3)HexNAc(4)Pent(3)</abbreviation>
    <unimod>1525</unimod>
    <mono_mass>1840.660646</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(5) HexNAc(3) Pent</name>
    <abbreviation>dHex(2)Hex(5)HexNAc(3)Pent(1)</abbreviation>
    <unimod>1526</unimod>
    <mono_mass>1843.660312</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(5) HexNAc(4) Sulf</name>
    <abbreviation>dHex(1)Hex(5)HexNAc(4)Sulf(1)</abbreviation>
    <unimod>1527</unimod>
    <mono_mass>1848.596331</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(3) HexNAc(4) Pent(2)</name>
    <abbreviation>dHex(2)Hex(3)HexNAc(4)Pent(2)</abbreviation>
    <unimod>1528</unimod>
    <mono_mass>1854.676296</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(5) HexNAc(3) NeuAc</name>
    <abbreviation>dHex(1)Hex(5)HexNAc(3)NeuAc(1)</abbreviation>
    <unimod>1529</unimod>
    <mono_mass>1856.655561</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(6) Sulf(2)</name>
    <abbreviation>Hex(3)HexNAc(6)Sulf(2)</abbreviation>
    <unimod>1530</unimod>
    <mono_mass>1864.548335</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(9) HexNAc(2)</name>
    <abbreviation>Hex(9)HexNAc(2)</abbreviation>
    <unimod>1531</unimod>
    <mono_mass>1864.634157</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(4) HexNAc(6)</name>
    <abbreviation>Hex(4)HexNAc(6)</abbreviation>
    <unimod>1532</unimod>
    <mono_mass>1866.687530</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(3) Hex(3) HexNAc(4) Pent</name>
    <abbreviation>dHex(3)Hex(3)HexNAc(4)Pent(1)</abbreviation>
    <unimod>1533</unimod>
    <mono_mass>1868.691946</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(5) HexNAc(3) NeuGc</name>
    <abbreviation>dHex(1)Hex(5)HexNAc(3)NeuGc(1)</abbreviation>
    <unimod>1534</unimod>
    <mono_mass>1872.650475</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(4) HexNAc(4) Pent</name>
    <abbreviation>dHex(2)Hex(4)HexNAc(4)Pent(1)</abbreviation>
    <unimod>1535</unimod>
    <mono_mass>1884.686861</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(4) HexNAc(5) Sulf</name>
    <abbreviation>dHex(1)Hex(4)HexNAc(5)Sulf(1)</abbreviation>
    <unimod>1536</unimod>
    <mono_mass>1889.622880</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(7) HexNAc(3)</name>
    <abbreviation>dHex(1)Hex(7)HexNAc(3)</abbreviation>
    <unimod>1537</unimod>
    <mono_mass>1889.665791</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(5) HexNAc(4) Pent</name>
    <abbreviation>dHex(1)Hex(5)HexNAc(4)Pent(1)</abbreviation>
    <unimod>1538</unimod>
    <mono_mass>1900.681776</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(5) HexA HexNAc(3) Sulf(2)</name>
    <abbreviation>dHex(1)Hex(5)HexA(1)HexNAc(3)Sulf(2)</abbreviation>
    <unimod>1539</unimod>
    <mono_mass>1901.505861</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(7)</name>
    <abbreviation>Hex(3)HexNAc(7)</abbreviation>
    <unimod>1540</unimod>
    <mono_mass>1907.714079</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(5) HexNAc(4)</name>
    <abbreviation>dHex(2)Hex(5)HexNAc(4)</abbreviation>
    <unimod>1541</unimod>
    <mono_mass>1914.697426</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(4) HexNAc(3) NeuAc Sulf</name>
    <abbreviation>dHex(2)Hex(4)HexNAc(3)NeuAc(1)Sulf(1)</abbreviation>
    <unimod>1542</unimod>
    <mono_mass>1920.617461</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(5) HexNAc(4) Sulf(2)</name>
    <abbreviation>dHex(1)Hex(5)HexNAc(4)Sulf(2)</abbreviation>
    <unimod>1543</unimod>
    <mono_mass>1928.553146</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(5) HexNAc(4) Me(2) Pent</name>
    <abbreviation>dHex(1)Hex(5)HexNAc(4)Me(2)Pent(1)</abbreviation>
    <unimod>1544</unimod>
    <mono_mass>1928.713076</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(5) HexNAc(4) NeuGc</name>
    <abbreviation>Hex(5)HexNAc(4)NeuGc(1)</abbreviation>
    <unimod>1545</unimod>
    <mono_mass>1929.671939</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexNAc(6) Sulf</name>
    <abbreviation>dHex(1)Hex(3)HexNAc(6)Sulf(1)</abbreviation>
    <unimod>1546</unimod>
    <mono_mass>1930.649430</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(6) HexNAc(4)</name>
    <abbreviation>dHex(1)Hex(6)HexNAc(4)</abbreviation>
    <unimod>1547</unimod>
    <mono_mass>1930.692340</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(5) HexNAc(3) NeuAc Sulf</name>
    <abbreviation>dHex(1)Hex(5)HexNAc(3)NeuAc(1)Sulf(1)</abbreviation>
    <unimod>1548</unimod>
    <mono_mass>1936.612375</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(7) HexNAc(4)</name>
    <abbreviation>Hex(7)HexNAc(4)</abbreviation>
    <unimod>1549</unimod>
    <mono_mass>1946.687255</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(5) HexNAc(3) NeuGc Sulf</name>
    <abbreviation>dHex(1)Hex(5)HexNAc(3)NeuGc(1)Sulf(1)</abbreviation>
    <unimod>1550</unimod>
    <mono_mass>1952.607290</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(4) HexNAc(5) NeuAc</name>
    <abbreviation>Hex(4)HexNAc(5)NeuAc(1)</abbreviation>
    <unimod>1551</unimod>
    <mono_mass>1954.703574</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(6) HexNAc(4) Me(3) Pent</name>
    <abbreviation>Hex(6)HexNAc(4)Me(3)Pent(1)</abbreviation>
    <unimod>1552</unimod>
    <mono_mass>1958.723640</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(7) HexNAc(3) Sulf</name>
    <abbreviation>dHex(1)Hex(7)HexNAc(3)Sulf(1)</abbreviation>
    <unimod>1553</unimod>
    <mono_mass>1969.622606</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(7) HexNAc(3) Phos</name>
    <abbreviation>dHex(1)Hex(7)HexNAc(3)Phos(1)</abbreviation>
    <unimod>1554</unimod>
    <mono_mass>1969.632122</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(5) HexNAc(5)</name>
    <abbreviation>dHex(1)Hex(5)HexNAc(5)</abbreviation>
    <unimod>1555</unimod>
    <mono_mass>1971.718889</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(4) HexNAc(4) NeuAc Sulf</name>
    <abbreviation>dHex(1)Hex(4)HexNAc(4)NeuAc(1)Sulf(1)</abbreviation>
    <unimod>1556</unimod>
    <mono_mass>1977.638925</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(3) Hex(4) HexNAc(4) Sulf</name>
    <abbreviation>dHex(3)Hex(4)HexNAc(4)Sulf(1)</abbreviation>
    <unimod>1557</unimod>
    <mono_mass>1978.659326</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(7) Sulf</name>
    <abbreviation>Hex(3)HexNAc(7)Sulf(1)</abbreviation>
    <unimod>1558</unimod>
    <mono_mass>1987.670893</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(6) HexNAc(5)</name>
    <abbreviation>Hex(6)HexNAc(5)</abbreviation>
    <unimod>1559</unimod>
    <mono_mass>1987.713804</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(5) HexNAc(4) NeuAc Sulf</name>
    <abbreviation>Hex(5)HexNAc(4)NeuAc(1)Sulf(1)</abbreviation>
    <unimod>1560</unimod>
    <mono_mass>1993.633839</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(6) NeuAc</name>
    <abbreviation>Hex(3)HexNAc(6)NeuAc(1)</abbreviation>
    <unimod>1561</unimod>
    <mono_mass>1995.730123</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(3) HexNAc(6)</name>
    <abbreviation>dHex(2)Hex(3)HexNAc(6)</abbreviation>
    <unimod>1562</unimod>
    <mono_mass>1996.750524</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc NeuGc</name>
    <abbreviation>Hex(1)HexNAc(1)NeuGc(1)</abbreviation>
    <unimod>1563</unimod>
    <mono_mass>672.222527</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(2) HexNAc</name>
    <abbreviation>dHex(1)Hex(2)HexNAc(1)</abbreviation>
    <unimod>1564</unimod>
    <mono_mass>673.242928</mono_mass>
  </ptm>
  <ptm>
    <name>HexNAc(3) Sulf</name>
    <abbreviation>HexNAc(3)Sulf(1)</abbreviation>
    <unimod>1565</unimod>
    <mono_mass>689.194932</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc</name>
    <abbreviation>Hex(3)HexNAc(1)</abbreviation>
    <unimod>1566</unimod>
    <mono_mass>689.237843</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc Kdn Sulf</name>
    <abbreviation>Hex(1)HexNAc(1)Kdn(1)Sulf(1)</abbreviation>
    <unimod>1567</unimod>
    <mono_mass>695.157878</mono_mass>
  </ptm>
  <ptm>
    <name>HexNAc(2) NeuAc</name>
    <abbreviation>HexNAc(2)NeuAc(1)</abbreviation>
    <unimod>1568</unimod>
    <mono_mass>697.254162</mono_mass>
  </ptm>
  <ptm>
    <name>HexNAc Kdn(2)</name>
    <abbreviation>HexNAc(1)Kdn(2)</abbreviation>
    <unimod>1570</unimod>
    <mono_mass>703.217108</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc Me</name>
    <abbreviation>Hex(3)HexNAc(1)Me(1)</abbreviation>
    <unimod>1571</unimod>
    <mono_mass>703.253493</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexA Pent Sulf</name>
    <abbreviation>Hex(2)HexA(1)Pent(1)Sulf(1)</abbreviation>
    <unimod>1572</unimod>
    <mono_mass>712.136808</mono_mass>
  </ptm>
  <ptm>
    <name>HexNAc(2) NeuGc</name>
    <abbreviation>HexNAc(2)NeuGc(1)</abbreviation>
    <unimod>1573</unimod>
    <mono_mass>713.249076</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(4) Phos</name>
    <abbreviation>Hex(4)Phos(1)</abbreviation>
    <unimod>1575</unimod>
    <mono_mass>728.177625</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc NeuAc Sulf</name>
    <abbreviation>Hex(1)HexNAc(1)NeuAc(1)Sulf(1)</abbreviation>
    <unimod>1577</unimod>
    <mono_mass>736.184427</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexA HexNAc(2)</name>
    <abbreviation>Hex(1)HexA(1)HexNAc(2)</abbreviation>
    <unimod>1578</unimod>
    <mono_mass>744.243657</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(2) HexNAc Sulf</name>
    <abbreviation>dHex(1)Hex(2)HexNAc(1)Sulf(1)</abbreviation>
    <unimod>1579</unimod>
    <mono_mass>753.199743</mono_mass>
  </ptm>
  <ptm>
    <name>dHex HexNAc(3)</name>
    <abbreviation>dHex(1)HexNAc(3)</abbreviation>
    <unimod>1580</unimod>
    <mono_mass>755.296027</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex HexNAc Kdn</name>
    <abbreviation>dHex(1)Hex(1)HexNAc(1)Kdn(1)</abbreviation>
    <unimod>1581</unimod>
    <mono_mass>761.258973</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc(3)</name>
    <abbreviation>Hex(1)HexNAc(3)</abbreviation>
    <unimod>1582</unimod>
    <mono_mass>771.290941</mono_mass>
  </ptm>
  <ptm>
    <name>HexNAc(2) NeuAc Sulf</name>
    <abbreviation>HexNAc(2)NeuAc(1)Sulf(1)</abbreviation>
    <unimod>1583</unimod>
    <mono_mass>777.210976</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(3)</name>
    <abbreviation>dHex(2)Hex(3)</abbreviation>
    <unimod>1584</unimod>
    <mono_mass>778.274288</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexA HexNAc Sulf</name>
    <abbreviation>Hex(2)HexA(1)HexNAc(1)Sulf(1)</abbreviation>
    <unimod>1585</unimod>
    <mono_mass>783.173922</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(2) HexA</name>
    <abbreviation>dHex(2)Hex(2)HexA(1)</abbreviation>
    <unimod>1586</unimod>
    <mono_mass>792.253553</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex HexNAc(2) Sulf</name>
    <abbreviation>dHex(1)Hex(1)HexNAc(2)Sulf(1)</abbreviation>
    <unimod>1587</unimod>
    <mono_mass>794.226292</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex HexNAc NeuAc</name>
    <abbreviation>dHex(1)Hex(1)HexNAc(1)NeuAc(1)</abbreviation>
    <unimod>1588</unimod>
    <mono_mass>802.285522</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc(2) Sulf</name>
    <abbreviation>Hex(2)HexNAc(2)Sulf(1)</abbreviation>
    <unimod>1589</unimod>
    <mono_mass>810.221207</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(5)</name>
    <abbreviation>Hex(5)</abbreviation>
    <unimod>1590</unimod>
    <mono_mass>810.264117</mono_mass>
  </ptm>
  <ptm>
    <name>HexNAc(4)</name>
    <abbreviation>HexNAc(4)</abbreviation>
    <unimod>1591</unimod>
    <mono_mass>812.317490</mono_mass>
  </ptm>
  <ptm>
    <name>HexNAc NeuGc(2)</name>
    <abbreviation>HexNAc(1)NeuGc(2)</abbreviation>
    <unimod>1592</unimod>
    <mono_mass>817.260035</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex HexNAc NeuGc</name>
    <abbreviation>dHex(1)Hex(1)HexNAc(1)NeuGc(1)</abbreviation>
    <unimod>1593</unimod>
    <mono_mass>818.280436</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(2) HexNAc</name>
    <abbreviation>dHex(2)Hex(2)HexNAc(1)</abbreviation>
    <unimod>1594</unimod>
    <mono_mass>819.300837</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc NeuGc</name>
    <abbreviation>Hex(2)HexNAc(1)NeuGc(1)</abbreviation>
    <unimod>1595</unimod>
    <mono_mass>834.275351</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexNAc</name>
    <abbreviation>dHex(1)Hex(3)HexNAc(1)</abbreviation>
    <unimod>1596</unimod>
    <mono_mass>835.295752</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(2) HexA HexNAc</name>
    <abbreviation>dHex(1)Hex(2)HexA(1)HexNAc(1)</abbreviation>
    <unimod>1597</unimod>
    <mono_mass>849.275017</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc(3) Sulf</name>
    <abbreviation>Hex(1)HexNAc(3)Sulf(1)</abbreviation>
    <unimod>1598</unimod>
    <mono_mass>851.247756</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(4) HexNAc</name>
    <abbreviation>Hex(4)HexNAc(1)</abbreviation>
    <unimod>1599</unimod>
    <mono_mass>851.290667</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc(2) NeuAc</name>
    <abbreviation>Hex(1)HexNAc(2)NeuAc(1)</abbreviation>
    <unimod>1600</unimod>
    <mono_mass>859.306985</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc(2) NeuGc</name>
    <abbreviation>Hex(1)HexNAc(2)NeuGc(1)</abbreviation>
    <unimod>1602</unimod>
    <mono_mass>875.301900</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(5) Phos</name>
    <abbreviation>Hex(5)Phos(1)</abbreviation>
    <unimod>1604</unimod>
    <mono_mass>890.230448</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex HexNAc Kdn</name>
    <abbreviation>dHex(2)Hex(1)HexNAc(1)Kdn(1)</abbreviation>
    <unimod>1606</unimod>
    <mono_mass>907.316881</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexNAc Sulf</name>
    <abbreviation>dHex(1)Hex(3)HexNAc(1)Sulf(1)</abbreviation>
    <unimod>1607</unimod>
    <mono_mass>915.252567</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex HexNAc(3)</name>
    <abbreviation>dHex(1)Hex(1)HexNAc(3)</abbreviation>
    <unimod>1608</unimod>
    <mono_mass>917.348850</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(2) HexA HexNAc Sulf</name>
    <abbreviation>dHex(1)Hex(2)HexA(1)HexNAc(1)Sulf(1)</abbreviation>
    <unimod>1609</unimod>
    <mono_mass>929.231831</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc(3)</name>
    <abbreviation>Hex(2)HexNAc(3)</abbreviation>
    <unimod>1610</unimod>
    <mono_mass>933.343765</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc(2) NeuAc Sulf</name>
    <abbreviation>Hex(1)HexNAc(2)NeuAc(1)Sulf(1)</abbreviation>
    <unimod>1611</unimod>
    <mono_mass>939.263800</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(4)</name>
    <abbreviation>dHex(2)Hex(4)</abbreviation>
    <unimod>1612</unimod>
    <mono_mass>940.327112</mono_mass>
  </ptm>
  <ptm>
    <name>Ac Hex HexNAc NeuAc</name>
    <abbreviation>Hex(1)HexNAc(1)NeuAc(1)Ac(1)</abbreviation>
    <unimod>1786</unimod>
    <mono_mass>698.238177</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) HexNAc(2) Kdn</name>
    <abbreviation>dHex(2)HexNAc(2)Kdn(1)</abbreviation>
    <unimod>1614</unimod>
    <mono_mass>948.343430</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(2) HexNAc(2) Sulf</name>
    <abbreviation>dHex(1)Hex(2)HexNAc(2)Sulf(1)</abbreviation>
    <unimod>1615</unimod>
    <mono_mass>956.279116</mono_mass>
  </ptm>
  <ptm>
    <name>dHex HexNAc(4)</name>
    <abbreviation>dHex(1)HexNAc(4)</abbreviation>
    <unimod>1616</unimod>
    <mono_mass>958.375399</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc NeuAc NeuGc</name>
    <abbreviation>Hex(1)HexNAc(1)NeuAc(1)NeuGc(1)</abbreviation>
    <unimod>1617</unimod>
    <mono_mass>963.317944</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex HexNAc(2) Kdn</name>
    <abbreviation>dHex(1)Hex(1)HexNAc(2)Kdn(1)</abbreviation>
    <unimod>1618</unimod>
    <mono_mass>964.338345</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc NeuGc(2)</name>
    <abbreviation>Hex(1)HexNAc(1)NeuGc(2)</abbreviation>
    <unimod>1619</unimod>
    <mono_mass>979.312859</mono_mass>
  </ptm>
  <ptm>
    <name>Ac Hex HexNAc NeuAc(2)</name>
    <abbreviation>Hex(1)HexNAc(1)NeuAc(2)Ac(1)</abbreviation>
    <unimod>1620</unimod>
    <mono_mass>989.333594</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(2) HexA HexNAc</name>
    <abbreviation>dHex(2)Hex(2)HexA(1)HexNAc(1)</abbreviation>
    <unimod>1621</unimod>
    <mono_mass>995.332925</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex HexNAc(3) Sulf</name>
    <abbreviation>dHex(1)Hex(1)HexNAc(3)Sulf(1)</abbreviation>
    <unimod>1622</unimod>
    <mono_mass>997.305665</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexA NeuAc Pent Sulf</name>
    <abbreviation>Hex(2)HexA(1)NeuAc(1)Pent(1)Sulf(1)</abbreviation>
    <unimod>1623</unimod>
    <mono_mass>1003.232225</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex HexNAc(2) NeuAc</name>
    <abbreviation>dHex(1)Hex(1)HexNAc(2)NeuAc(1)</abbreviation>
    <unimod>1624</unimod>
    <mono_mass>1005.364894</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexA HexNAc</name>
    <abbreviation>dHex(1)Hex(3)HexA(1)HexNAc(1)</abbreviation>
    <unimod>1625</unimod>
    <mono_mass>1011.327840</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc(3) Sulf</name>
    <abbreviation>Hex(2)HexNAc(3)Sulf(1)</abbreviation>
    <unimod>1626</unimod>
    <mono_mass>1013.300579</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(5) HexNAc</name>
    <abbreviation>Hex(5)HexNAc(1)</abbreviation>
    <unimod>1627</unimod>
    <mono_mass>1013.343490</mono_mass>
  </ptm>
  <ptm>
    <name>HexNAc(5)</name>
    <abbreviation>HexNAc(5)</abbreviation>
    <unimod>1628</unimod>
    <mono_mass>1015.396863</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex HexNAc(2) NeuGc</name>
    <abbreviation>dHex(1)Hex(1)HexNAc(2)NeuGc(1)</abbreviation>
    <unimod>1629</unimod>
    <mono_mass>1021.359809</mono_mass>
  </ptm>
  <ptm>
    <name>Ac(2) Hex HexNAc NeuAc(2)</name>
    <abbreviation>Hex(1)HexNAc(1)NeuAc(2)Ac(2)</abbreviation>
    <unimod>1630</unimod>
    <mono_mass>1031.344159</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc(2) NeuGc</name>
    <abbreviation>Hex(2)HexNAc(2)NeuGc(1)</abbreviation>
    <unimod>1631</unimod>
    <mono_mass>1037.354723</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(5) Phos(3)</name>
    <abbreviation>Hex(5)Phos(3)</abbreviation>
    <unimod>1632</unimod>
    <mono_mass>1050.163110</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(6) Phos</name>
    <abbreviation>Hex(6)Phos(1)</abbreviation>
    <unimod>1633</unimod>
    <mono_mass>1052.283272</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(2) HexA HexNAc(2)</name>
    <abbreviation>dHex(1)Hex(2)HexA(1)HexNAc(2)</abbreviation>
    <unimod>1634</unimod>
    <mono_mass>1052.354389</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(3) HexNAc Sulf</name>
    <abbreviation>dHex(2)Hex(3)HexNAc(1)Sulf(1)</abbreviation>
    <unimod>1635</unimod>
    <mono_mass>1061.310475</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc(3) NeuAc</name>
    <abbreviation>Hex(1)HexNAc(3)NeuAc(1)</abbreviation>
    <unimod>1636</unimod>
    <mono_mass>1062.386358</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex HexNAc(3)</name>
    <abbreviation>dHex(2)Hex(1)HexNAc(3)</abbreviation>
    <unimod>1637</unimod>
    <mono_mass>1063.406759</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc(3) NeuGc</name>
    <abbreviation>Hex(1)HexNAc(3)NeuGc(1)</abbreviation>
    <unimod>1638</unimod>
    <mono_mass>1078.381273</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex HexNAc(2) NeuAc Sulf</name>
    <abbreviation>dHex(1)Hex(1)HexNAc(2)NeuAc(1)Sulf(1)</abbreviation>
    <unimod>1639</unimod>
    <mono_mass>1085.321709</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexA HexNAc Sulf</name>
    <abbreviation>dHex(1)Hex(3)HexA(1)HexNAc(1)Sulf(1)</abbreviation>
    <unimod>1640</unimod>
    <mono_mass>1091.284655</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex HexA HexNAc(3)</name>
    <abbreviation>dHex(1)Hex(1)HexA(1)HexNAc(3)</abbreviation>
    <unimod>1641</unimod>
    <mono_mass>1093.380938</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc(2) NeuAc Sulf</name>
    <abbreviation>Hex(2)HexNAc(2)NeuAc(1)Sulf(1)</abbreviation>
    <unimod>1642</unimod>
    <mono_mass>1101.316623</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(2) HexNAc(2) Sulf</name>
    <abbreviation>dHex(2)Hex(2)HexNAc(2)Sulf(1)</abbreviation>
    <unimod>1643</unimod>
    <mono_mass>1102.337025</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex HexNAc(2) Kdn</name>
    <abbreviation>dHex(2)Hex(1)HexNAc(2)Kdn(1)</abbreviation>
    <unimod>1644</unimod>
    <mono_mass>1110.396254</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex HexNAc(4)</name>
    <abbreviation>dHex(1)Hex(1)HexNAc(4)</abbreviation>
    <unimod>1645</unimod>
    <mono_mass>1120.428223</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc(4)</name>
    <abbreviation>Hex(2)HexNAc(4)</abbreviation>
    <unimod>1646</unimod>
    <mono_mass>1136.423137</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc NeuGc(2)</name>
    <abbreviation>Hex(2)HexNAc(1)NeuGc(2)</abbreviation>
    <unimod>1647</unimod>
    <mono_mass>1141.365682</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(4) HexNAc</name>
    <abbreviation>dHex(2)Hex(4)HexNAc(1)</abbreviation>
    <unimod>1648</unimod>
    <mono_mass>1143.406484</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc(2) NeuAc(2)</name>
    <abbreviation>Hex(1)HexNAc(2)NeuAc(2)</abbreviation>
    <unimod>1649</unimod>
    <mono_mass>1150.402402</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex HexNAc(2) NeuAc</name>
    <abbreviation>dHex(2)Hex(1)HexNAc(2)NeuAc(1)</abbreviation>
    <unimod>1650</unimod>
    <mono_mass>1151.422803</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(2) HexNAc(3) Sulf</name>
    <abbreviation>dHex(1)Hex(2)HexNAc(3)Sulf(1)</abbreviation>
    <unimod>1651</unimod>
    <mono_mass>1159.358488</mono_mass>
  </ptm>
  <ptm>
    <name>dHex HexNAc(5)</name>
    <abbreviation>dHex(1)HexNAc(5)</abbreviation>
    <unimod>1652</unimod>
    <mono_mass>1161.454772</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex HexNAc(2) NeuGc</name>
    <abbreviation>dHex(2)Hex(1)HexNAc(2)NeuGc(1)</abbreviation>
    <unimod>1653</unimod>
    <mono_mass>1167.417718</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(3) Hex(2) HexNAc(2)</name>
    <abbreviation>dHex(3)Hex(2)HexNAc(2)</abbreviation>
    <unimod>1654</unimod>
    <mono_mass>1168.438119</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(3) Sulf</name>
    <abbreviation>Hex(3)HexNAc(3)Sulf(1)</abbreviation>
    <unimod>1655</unimod>
    <mono_mass>1175.353403</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(2) HexNAc(2) Sulf(2)</name>
    <abbreviation>dHex(2)Hex(2)HexNAc(2)Sulf(2)</abbreviation>
    <unimod>1656</unimod>
    <mono_mass>1182.293839</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(2) HexNAc(2) NeuGc</name>
    <abbreviation>dHex(1)Hex(2)HexNAc(2)NeuGc(1)</abbreviation>
    <unimod>1657</unimod>
    <mono_mass>1183.412632</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex HexNAc(3) NeuAc</name>
    <abbreviation>dHex(1)Hex(1)HexNAc(3)NeuAc(1)</abbreviation>
    <unimod>1658</unimod>
    <mono_mass>1208.444267</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(6) Phos(3)</name>
    <abbreviation>Hex(6)Phos(3)</abbreviation>
    <unimod>1659</unimod>
    <mono_mass>1212.215934</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexA HexNAc(2)</name>
    <abbreviation>dHex(1)Hex(3)HexA(1)HexNAc(2)</abbreviation>
    <unimod>1660</unimod>
    <mono_mass>1214.407213</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex HexNAc(3) NeuGc</name>
    <abbreviation>dHex(1)Hex(1)HexNAc(3)NeuGc(1)</abbreviation>
    <unimod>1661</unimod>
    <mono_mass>1224.439181</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc(2) NeuAc(2) Sulf</name>
    <abbreviation>Hex(1)HexNAc(2)NeuAc(2)Sulf(1)</abbreviation>
    <unimod>1662</unimod>
    <mono_mass>1230.359217</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(3) HexA HexNAc Sulf</name>
    <abbreviation>dHex(2)Hex(3)HexA(1)HexNAc(1)Sulf(1)</abbreviation>
    <unimod>1663</unimod>
    <mono_mass>1237.342563</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc NeuAc(3)</name>
    <abbreviation>Hex(1)HexNAc(1)NeuAc(3)</abbreviation>
    <unimod>1664</unimod>
    <mono_mass>1238.418446</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc(3) NeuGc</name>
    <abbreviation>Hex(2)HexNAc(3)NeuGc(1)</abbreviation>
    <unimod>1665</unimod>
    <mono_mass>1240.434096</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(2) HexNAc(2) NeuAc Sulf</name>
    <abbreviation>dHex(1)Hex(2)HexNAc(2)NeuAc(1)Sulf(1)</abbreviation>
    <unimod>1666</unimod>
    <mono_mass>1247.374532</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(3) Hex HexNAc(2) Kdn</name>
    <abbreviation>dHex(3)Hex(1)HexNAc(2)Kdn(1)</abbreviation>
    <unimod>1667</unimod>
    <mono_mass>1256.454163</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(3) HexNAc(2) Sulf</name>
    <abbreviation>dHex(2)Hex(3)HexNAc(2)Sulf(1)</abbreviation>
    <unimod>1668</unimod>
    <mono_mass>1264.389848</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(2) HexNAc(2) Kdn</name>
    <abbreviation>dHex(2)Hex(2)HexNAc(2)Kdn(1)</abbreviation>
    <unimod>1669</unimod>
    <mono_mass>1272.449077</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(2) HexA HexNAc(2) Sulf</name>
    <abbreviation>dHex(2)Hex(2)HexA(1)HexNAc(2)Sulf(1)</abbreviation>
    <unimod>1670</unimod>
    <mono_mass>1278.369113</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(2) HexNAc(4)</name>
    <abbreviation>dHex(1)Hex(2)HexNAc(4)</abbreviation>
    <unimod>1671</unimod>
    <mono_mass>1282.481046</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc NeuGc(3)</name>
    <abbreviation>Hex(1)HexNAc(1)NeuGc(3)</abbreviation>
    <unimod>1672</unimod>
    <mono_mass>1286.403190</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex HexNAc(3) NeuAc Sulf</name>
    <abbreviation>dHex(1)Hex(1)HexNAc(3)NeuAc(1)Sulf(1)</abbreviation>
    <unimod>1673</unimod>
    <mono_mass>1288.401081</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexA HexNAc(2) Sulf</name>
    <abbreviation>dHex(1)Hex(3)HexA(1)HexNAc(2)Sulf(1)</abbreviation>
    <unimod>1674</unimod>
    <mono_mass>1294.364027</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex HexNAc(2) NeuAc(2)</name>
    <abbreviation>dHex(1)Hex(1)HexNAc(2)NeuAc(2)</abbreviation>
    <unimod>1675</unimod>
    <mono_mass>1296.460311</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(3) HexNAc(3) Kdn</name>
    <abbreviation>dHex(3)HexNAc(3)Kdn(1)</abbreviation>
    <unimod>1676</unimod>
    <mono_mass>1297.480712</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc(3) NeuAc Sulf</name>
    <abbreviation>Hex(2)HexNAc(3)NeuAc(1)Sulf(1)</abbreviation>
    <unimod>1678</unimod>
    <mono_mass>1304.395996</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(2) HexNAc(3) Sulf</name>
    <abbreviation>dHex(2)Hex(2)HexNAc(3)Sulf(1)</abbreviation>
    <unimod>1679</unimod>
    <mono_mass>1305.416397</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) HexNAc(5)</name>
    <abbreviation>dHex(2)HexNAc(5)</abbreviation>
    <unimod>1680</unimod>
    <mono_mass>1307.512681</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc(2) NeuAc(2)</name>
    <abbreviation>Hex(2)HexNAc(2)NeuAc(2)</abbreviation>
    <unimod>1681</unimod>
    <mono_mass>1312.455225</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(2) HexNAc(2) NeuAc</name>
    <abbreviation>dHex(2)Hex(2)HexNAc(2)NeuAc(1)</abbreviation>
    <unimod>1682</unimod>
    <mono_mass>1313.475627</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexNAc(3) Sulf</name>
    <abbreviation>dHex(1)Hex(3)HexNAc(3)Sulf(1)</abbreviation>
    <unimod>1683</unimod>
    <mono_mass>1321.411312</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(2) HexNAc(2) NeuGc</name>
    <abbreviation>dHex(2)Hex(2)HexNAc(2)NeuGc(1)</abbreviation>
    <unimod>1684</unimod>
    <mono_mass>1329.470541</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc(5)</name>
    <abbreviation>Hex(2)HexNAc(5)</abbreviation>
    <unimod>1685</unimod>
    <mono_mass>1339.502510</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexNAc(2) NeuGc</name>
    <abbreviation>dHex(1)Hex(3)HexNAc(2)NeuGc(1)</abbreviation>
    <unimod>1686</unimod>
    <mono_mass>1345.465456</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc(3) NeuAc(2)</name>
    <abbreviation>Hex(1)HexNAc(3)NeuAc(2)</abbreviation>
    <unimod>1687</unimod>
    <mono_mass>1353.481775</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(2) HexNAc(3) NeuAc</name>
    <abbreviation>dHex(1)Hex(2)HexNAc(3)NeuAc(1)</abbreviation>
    <unimod>1688</unimod>
    <mono_mass>1370.497090</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(3) Hex(2) HexNAc(3)</name>
    <abbreviation>dHex(3)Hex(2)HexNAc(3)</abbreviation>
    <unimod>1689</unimod>
    <mono_mass>1371.517491</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(7) Phos(3)</name>
    <abbreviation>Hex(7)Phos(3)</abbreviation>
    <unimod>1690</unimod>
    <mono_mass>1374.268757</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(4) HexA HexNAc(2)</name>
    <abbreviation>dHex(1)Hex(4)HexA(1)HexNAc(2)</abbreviation>
    <unimod>1691</unimod>
    <mono_mass>1376.460036</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(3) NeuAc</name>
    <abbreviation>Hex(3)HexNAc(3)NeuAc(1)</abbreviation>
    <unimod>1692</unimod>
    <mono_mass>1386.492005</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexA(2) HexNAc(2)</name>
    <abbreviation>dHex(1)Hex(3)HexA(2)HexNAc(2)</abbreviation>
    <unimod>1693</unimod>
    <mono_mass>1390.439301</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc(2) NeuAc(2) Sulf</name>
    <abbreviation>Hex(2)HexNAc(2)NeuAc(2)Sulf(1)</abbreviation>
    <unimod>1694</unimod>
    <mono_mass>1392.412040</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(2) HexNAc(2) NeuAc Sulf</name>
    <abbreviation>dHex(2)Hex(2)HexNAc(2)NeuAc(1)Sulf(1)</abbreviation>
    <unimod>1695</unimod>
    <mono_mass>1393.432441</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(3) NeuGc</name>
    <abbreviation>Hex(3)HexNAc(3)NeuGc(1)</abbreviation>
    <unimod>1696</unimod>
    <mono_mass>1402.486920</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(4) Hex HexNAc(2) Kdn</name>
    <abbreviation>dHex(4)Hex(1)HexNAc(2)Kdn(1)</abbreviation>
    <unimod>1697</unimod>
    <mono_mass>1402.512072</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(3) Hex(2) HexNAc(2) Kdn</name>
    <abbreviation>dHex(3)Hex(2)HexNAc(2)Kdn(1)</abbreviation>
    <unimod>1698</unimod>
    <mono_mass>1418.506986</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(3) Hex(2) HexA HexNAc(2) Sulf</name>
    <abbreviation>dHex(3)Hex(2)HexA(1)HexNAc(2)Sulf(1)</abbreviation>
    <unimod>1699</unimod>
    <mono_mass>1424.427021</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc(4) NeuAc</name>
    <abbreviation>Hex(2)HexNAc(4)NeuAc(1)</abbreviation>
    <unimod>1700</unimod>
    <mono_mass>1427.518554</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(2) HexNAc(4)</name>
    <abbreviation>dHex(2)Hex(2)HexNAc(4)</abbreviation>
    <unimod>1701</unimod>
    <mono_mass>1428.538955</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(3) HexA HexNAc(2) Sulf</name>
    <abbreviation>dHex(2)Hex(3)HexA(1)HexNAc(2)Sulf(1)</abbreviation>
    <unimod>1702</unimod>
    <mono_mass>1440.421936</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(4) HexNAc(3) Kdn</name>
    <abbreviation>dHex(4)HexNAc(3)Kdn(1)</abbreviation>
    <unimod>1703</unimod>
    <mono_mass>1443.538621</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc NeuGc(3)</name>
    <abbreviation>Hex(2)HexNAc(1)NeuGc(3)</abbreviation>
    <unimod>1705</unimod>
    <mono_mass>1448.456013</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(4) Hex HexNAc Kdn(2)</name>
    <abbreviation>dHex(4)Hex(1)HexNAc(1)Kdn(2)</abbreviation>
    <unimod>1706</unimod>
    <mono_mass>1449.501567</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(2) HexNAc(3) NeuAc Sulf</name>
    <abbreviation>dHex(1)Hex(2)HexNAc(3)NeuAc(1)Sulf(1)</abbreviation>
    <unimod>1707</unimod>
    <mono_mass>1450.453905</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(2) HexNAc(2) NeuAc(2)</name>
    <abbreviation>dHex(1)Hex(2)HexNAc(2)NeuAc(2)</abbreviation>
    <unimod>1708</unimod>
    <mono_mass>1458.513134</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(3) Hex HexNAc(3) Kdn</name>
    <abbreviation>dHex(3)Hex(1)HexNAc(3)Kdn(1)</abbreviation>
    <unimod>1709</unimod>
    <mono_mass>1459.533535</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(3) NeuAc Sulf</name>
    <abbreviation>Hex(3)HexNAc(3)NeuAc(1)Sulf(1)</abbreviation>
    <unimod>1711</unimod>
    <mono_mass>1466.448820</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(2) NeuAc(2)</name>
    <abbreviation>Hex(3)HexNAc(2)NeuAc(2)</abbreviation>
    <unimod>1712</unimod>
    <mono_mass>1474.508049</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(3) NeuGc Sulf</name>
    <abbreviation>Hex(3)HexNAc(3)NeuGc(1)Sulf(1)</abbreviation>
    <unimod>1713</unimod>
    <mono_mass>1482.443734</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(2) HexNAc(2) NeuGc(2)</name>
    <abbreviation>dHex(1)Hex(2)HexNAc(2)NeuGc(2)</abbreviation>
    <unimod>1714</unimod>
    <mono_mass>1490.502964</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(3) HexNAc(2) NeuGc</name>
    <abbreviation>dHex(2)Hex(3)HexNAc(2)NeuGc(1)</abbreviation>
    <unimod>1715</unimod>
    <mono_mass>1491.523365</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexA HexNAc(3) Sulf</name>
    <abbreviation>dHex(1)Hex(3)HexA(1)HexNAc(3)Sulf(1)</abbreviation>
    <unimod>1716</unimod>
    <mono_mass>1497.443400</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc(3) NeuAc(2)</name>
    <abbreviation>Hex(2)HexNAc(3)NeuAc(2)</abbreviation>
    <unimod>1717</unimod>
    <mono_mass>1515.534598</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(2) HexNAc(3) NeuAc</name>
    <abbreviation>dHex(2)Hex(2)HexNAc(3)NeuAc(1)</abbreviation>
    <unimod>1718</unimod>
    <mono_mass>1516.554999</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(4) Hex(2) HexNAc(3)</name>
    <abbreviation>dHex(4)Hex(2)HexNAc(3)</abbreviation>
    <unimod>1719</unimod>
    <mono_mass>1517.575400</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc(3) NeuAc NeuGc</name>
    <abbreviation>Hex(2)HexNAc(3)NeuAc(1)NeuGc(1)</abbreviation>
    <unimod>1720</unimod>
    <mono_mass>1531.529513</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(2) HexNAc(3) NeuGc</name>
    <abbreviation>dHex(2)Hex(2)HexNAc(3)NeuGc(1)</abbreviation>
    <unimod>1721</unimod>
    <mono_mass>1532.549914</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(3) Hex(3) HexNAc(3)</name>
    <abbreviation>dHex(3)Hex(3)HexNAc(3)</abbreviation>
    <unimod>1722</unimod>
    <mono_mass>1533.570315</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(8) Phos(3)</name>
    <abbreviation>Hex(8)Phos(3)</abbreviation>
    <unimod>1723</unimod>
    <mono_mass>1536.321581</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(2) HexNAc(2) NeuAc(2) Sulf</name>
    <abbreviation>dHex(1)Hex(2)HexNAc(2)NeuAc(2)Sulf(1)</abbreviation>
    <unimod>1724</unimod>
    <mono_mass>1538.469949</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc(3) NeuGc(2)</name>
    <abbreviation>Hex(2)HexNAc(3)NeuGc(2)</abbreviation>
    <unimod>1725</unimod>
    <mono_mass>1547.524427</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(4) Hex(2) HexNAc(2) Kdn</name>
    <abbreviation>dHex(4)Hex(2)HexNAc(2)Kdn(1)</abbreviation>
    <unimod>1726</unimod>
    <mono_mass>1564.564895</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(2) HexNAc(4) NeuAc</name>
    <abbreviation>dHex(1)Hex(2)HexNAc(4)NeuAc(1)</abbreviation>
    <unimod>1727</unimod>
    <mono_mass>1573.576463</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(3) Hex(2) HexNAc(4)</name>
    <abbreviation>dHex(3)Hex(2)HexNAc(4)</abbreviation>
    <unimod>1728</unimod>
    <mono_mass>1574.596864</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc NeuGc(4)</name>
    <abbreviation>Hex(1)HexNAc(1)NeuGc(4)</abbreviation>
    <unimod>1729</unimod>
    <mono_mass>1593.493521</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(4) Hex HexNAc(3) Kdn</name>
    <abbreviation>dHex(4)Hex(1)HexNAc(3)Kdn(1)</abbreviation>
    <unimod>1730</unimod>
    <mono_mass>1605.591444</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(4) HexNAc(4) Sulf(2)</name>
    <abbreviation>Hex(4)HexNAc(4)Sulf(2)</abbreviation>
    <unimod>1732</unimod>
    <mono_mass>1620.442414</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(3) Hex(2) HexNAc(3) Kdn</name>
    <abbreviation>dHex(3)Hex(2)HexNAc(3)Kdn(1)</abbreviation>
    <unimod>1733</unimod>
    <mono_mass>1621.586359</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(2) HexNAc(5)</name>
    <abbreviation>dHex(2)Hex(2)HexNAc(5)</abbreviation>
    <unimod>1735</unimod>
    <mono_mass>1631.618328</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(3) HexA HexNAc(3) Sulf</name>
    <abbreviation>dHex(2)Hex(3)HexA(1)HexNAc(3)Sulf(1)</abbreviation>
    <unimod>1736</unimod>
    <mono_mass>1643.501309</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(4) HexA HexNAc(3) Sulf</name>
    <abbreviation>dHex(1)Hex(4)HexA(1)HexNAc(3)Sulf(1)</abbreviation>
    <unimod>1737</unimod>
    <mono_mass>1659.496223</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(3) NeuAc(2)</name>
    <abbreviation>Hex(3)HexNAc(3)NeuAc(2)</abbreviation>
    <unimod>1738</unimod>
    <mono_mass>1677.587422</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(3) HexNAc(3) NeuAc</name>
    <abbreviation>dHex(2)Hex(3)HexNAc(3)NeuAc(1)</abbreviation>
    <unimod>1739</unimod>
    <mono_mass>1678.607823</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(4) Hex(3) HexNAc(3)</name>
    <abbreviation>dHex(4)Hex(3)HexNAc(3)</abbreviation>
    <unimod>1740</unimod>
    <mono_mass>1679.628224</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(3) HexNAc(3) NeuGc</name>
    <abbreviation>dHex(2)Hex(3)HexNAc(3)NeuGc(1)</abbreviation>
    <unimod>1741</unimod>
    <mono_mass>1694.602737</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(9) Phos(3)</name>
    <abbreviation>Hex(9)Phos(3)</abbreviation>
    <unimod>1742</unimod>
    <mono_mass>1698.374404</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) HexNAc(7)</name>
    <abbreviation>dHex(2)HexNAc(7)</abbreviation>
    <unimod>1743</unimod>
    <mono_mass>1713.671426</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc NeuGc(4)</name>
    <abbreviation>Hex(2)HexNAc(1)NeuGc(4)</abbreviation>
    <unimod>1744</unimod>
    <mono_mass>1755.546345</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(3) NeuAc(2) Sulf</name>
    <abbreviation>Hex(3)HexNAc(3)NeuAc(2)Sulf(1)</abbreviation>
    <unimod>1745</unimod>
    <mono_mass>1757.544236</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(3) HexNAc(5)</name>
    <abbreviation>dHex(2)Hex(3)HexNAc(5)</abbreviation>
    <unimod>1746</unimod>
    <mono_mass>1793.671151</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(2) HexNAc(2) NeuGc(3)</name>
    <abbreviation>dHex(1)Hex(2)HexNAc(2)NeuGc(3)</abbreviation>
    <unimod>1747</unimod>
    <mono_mass>1797.593295</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(4) HexA HexNAc(3) Sulf</name>
    <abbreviation>dHex(2)Hex(4)HexA(1)HexNAc(3)Sulf(1)</abbreviation>
    <unimod>1748</unimod>
    <mono_mass>1805.554132</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc(3) NeuAc(3)</name>
    <abbreviation>Hex(2)HexNAc(3)NeuAc(3)</abbreviation>
    <unimod>1749</unimod>
    <mono_mass>1806.630015</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexNAc(3) NeuAc(2)</name>
    <abbreviation>dHex(1)Hex(3)HexNAc(3)NeuAc(2)</abbreviation>
    <unimod>1750</unimod>
    <mono_mass>1823.645330</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(3) Hex(3) HexNAc(3) NeuAc</name>
    <abbreviation>dHex(3)Hex(3)HexNAc(3)NeuAc(1)</abbreviation>
    <unimod>1751</unimod>
    <mono_mass>1824.665732</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(2) HexNAc(3) NeuGc(3)</name>
    <abbreviation>Hex(2)HexNAc(3)NeuGc(3)</abbreviation>
    <unimod>1752</unimod>
    <mono_mass>1854.614759</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(10) Phos(3)</name>
    <abbreviation>Hex(10)Phos(3)</abbreviation>
    <unimod>1753</unimod>
    <mono_mass>1860.427228</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(2) HexNAc(4) NeuAc(2)</name>
    <abbreviation>dHex(1)Hex(2)HexNAc(4)NeuAc(2)</abbreviation>
    <unimod>1754</unimod>
    <mono_mass>1864.671880</mono_mass>
  </ptm>
  <ptm>
    <name>Hex HexNAc NeuGc(5)</name>
    <abbreviation>Hex(1)HexNAc(1)NeuGc(5)</abbreviation>
    <unimod>1755</unimod>
    <mono_mass>1900.583852</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(4) HexNAc(4) NeuAc Sulf(2)</name>
    <abbreviation>Hex(4)HexNAc(4)NeuAc(1)Sulf(2)</abbreviation>
    <unimod>1756</unimod>
    <mono_mass>1911.537830</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(4) HexNAc(4) NeuGc Sulf(2)</name>
    <abbreviation>Hex(4)HexNAc(4)NeuGc(1)Sulf(2)</abbreviation>
    <unimod>1757</unimod>
    <mono_mass>1927.532745</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(3) HexNAc(3) NeuAc(2)</name>
    <abbreviation>dHex(2)Hex(3)HexNAc(3)NeuAc(2)</abbreviation>
    <unimod>1758</unimod>
    <mono_mass>1969.703239</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(4) HexNAc(4) NeuAc Sulf(3)</name>
    <abbreviation>Hex(4)HexNAc(4)NeuAc(1)Sulf(3)</abbreviation>
    <unimod>1759</unimod>
    <mono_mass>1991.494645</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(2) HexNAc(2)</name>
    <abbreviation>dHex(2)Hex(2)HexNAc(2)</abbreviation>
    <unimod>1760</unimod>
    <mono_mass>1022.380210</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexNAc(2)</name>
    <abbreviation>dHex(1)Hex(3)HexNAc(2)</abbreviation>
    <unimod>1761</unimod>
    <mono_mass>1038.375125</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(2) HexNAc(3)</name>
    <abbreviation>dHex(1)Hex(2)HexNAc(3)</abbreviation>
    <unimod>1762</unimod>
    <mono_mass>1079.401674</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(3)</name>
    <abbreviation>Hex(3)HexNAc(3)</abbreviation>
    <unimod>1763</unimod>
    <mono_mass>1095.396588</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexNAc(2) Sulf</name>
    <abbreviation>dHex(1)Hex(3)HexNAc(2)Sulf(1)</abbreviation>
    <unimod>1764</unimod>
    <mono_mass>1118.331939</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(3) HexNAc(2)</name>
    <abbreviation>dHex(2)Hex(3)HexNAc(2)</abbreviation>
    <unimod>1765</unimod>
    <mono_mass>1184.433033</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(4) HexNAc(2)</name>
    <abbreviation>dHex(1)Hex(4)HexNAc(2)</abbreviation>
    <unimod>1766</unimod>
    <mono_mass>1200.427948</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(2) HexNAc(3)</name>
    <abbreviation>dHex(2)Hex(2)HexNAc(3)</abbreviation>
    <unimod>1767</unimod>
    <mono_mass>1225.459583</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexNAc(3)</name>
    <abbreviation>dHex(1)Hex(3)HexNAc(3)</abbreviation>
    <unimod>1768</unimod>
    <mono_mass>1241.454497</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(4) HexNAc(3)</name>
    <abbreviation>Hex(4)HexNAc(3)</abbreviation>
    <unimod>1769</unimod>
    <mono_mass>1257.449412</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(4) HexNAc(2)</name>
    <abbreviation>dHex(2)Hex(4)HexNAc(2)</abbreviation>
    <unimod>1770</unimod>
    <mono_mass>1346.485857</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(3) HexNAc(3)</name>
    <abbreviation>dHex(2)Hex(3)HexNAc(3)</abbreviation>
    <unimod>1771</unimod>
    <mono_mass>1387.512406</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(5)</name>
    <abbreviation>Hex(3)HexNAc(5)</abbreviation>
    <unimod>1772</unimod>
    <mono_mass>1501.555334</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(4) HexNAc(3) NeuAc</name>
    <abbreviation>Hex(4)HexNAc(3)NeuAc(1)</abbreviation>
    <unimod>1773</unimod>
    <mono_mass>1548.544828</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(3) HexNAc(4)</name>
    <abbreviation>dHex(2)Hex(3)HexNAc(4)</abbreviation>
    <unimod>1774</unimod>
    <mono_mass>1590.591779</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexNAc(5)</name>
    <abbreviation>dHex(1)Hex(3)HexNAc(5)</abbreviation>
    <unimod>1775</unimod>
    <mono_mass>1647.613242</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(3) HexNAc(6)</name>
    <abbreviation>Hex(3)HexNAc(6)</abbreviation>
    <unimod>1776</unimod>
    <mono_mass>1704.634706</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(4) HexNAc(4) NeuAc</name>
    <abbreviation>Hex(4)HexNAc(4)NeuAc(1)</abbreviation>
    <unimod>1777</unimod>
    <mono_mass>1751.624201</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(4) HexNAc(4)</name>
    <abbreviation>dHex(2)Hex(4)HexNAc(4)</abbreviation>
    <unimod>1778</unimod>
    <mono_mass>1752.644602</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(6) HexNAc(4)</name>
    <abbreviation>Hex(6)HexNAc(4)</abbreviation>
    <unimod>1779</unimod>
    <mono_mass>1784.634431</mono_mass>
  </ptm>
  <ptm>
    <name>Hex(5) HexNAc(5)</name>
    <abbreviation>Hex(5)HexNAc(5)</abbreviation>
    <unimod>1780</unimod>
    <mono_mass>1825.660981</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexNAc(6)</name>
    <abbreviation>dHex(1)Hex(3)HexNAc(6)</abbreviation>
    <unimod>1781</unimod>
    <mono_mass>1850.692615</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(4) HexNAc(4) NeuAc</name>
    <abbreviation>dHex(1)Hex(4)HexNAc(4)NeuAc(1)</abbreviation>
    <unimod>1782</unimod>
    <mono_mass>1897.682110</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(3) Hex(4) HexNAc(4)</name>
    <abbreviation>dHex(3)Hex(4)HexNAc(4)</abbreviation>
    <unimod>1783</unimod>
    <mono_mass>1898.702511</mono_mass>
  </ptm>
  <ptm>
    <name>dHex Hex(3) HexNAc(5) NeuAc</name>
    <abbreviation>dHex(1)Hex(3)HexNAc(5)NeuAc(1)</abbreviation>
    <unimod>1784</unimod>
    <mono_mass>1938.708659</mono_mass>
  </ptm>
  <ptm>
    <name>dHex(2) Hex(4) HexNAc(5)</name>
    <abbreviation>dHex(2)Hex(4)HexNAc(5)</abbreviation>
    <unimod>1785</unimod>
    <mono_mass>1955.723975</mono_mass>
  </ptm>
  <ptm>
    <name>SUMOylation by Giardia lamblia</name>
    <abbreviation>NQIGG</abbreviation>
    <unimod>1799</unimod>
    <mono_mass>469.228496</mono_mass>
  </ptm>
  <ptm>
    <name>Carboxyethylpyrrole</name>
    <abbreviation>CEP</abbreviation>
    <unimod>1800</unimod>
    <mono_mass>122.036779</mono_mass>
  </ptm>
</ptm_list>
