spectrum, minimum peaks

# spectrum, maximum parent charge ## Syntax The value is a non-zero, positive integer. ## Notes If this value is absent or uninterpretable, a default value of 4 is used. If a floating point number is used, rather than an integer, normal C truncation is used for conversion to an integer value. No error messages are generated for out-of-range values. ## Description Each MS/MS spectrum with a precursor charge higher than this thresold were not select for further score calculation. see also: X! TANDEM API description project