sidechain = Group('hie_sidechain_uni')
peptide = Group('peptide_uni')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Hse'
amber91_charge = {sidechain.C_delta_2: 0.122, peptide.H: 0.248, peptide.C_alpha: 0.219, sidechain.H_epsilon_2: 0.32, peptide.N: -0.52, peptide.O: -0.5, sidechain.C_epsilon_1: 0.384, sidechain.N_delta_1: -0.527, sidechain.C_gamma: 0.112, sidechain.C_beta: 0.06, peptide.C: 0.526, sidechain.N_epsilon_2: -0.444, }
name = 'histidine_epsilonh'
chain_links = [peptide.N, peptide.C]
