sidechain = Group('hip_sidechain_noh')
peptide = Group('peptide_ct_noh')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Hsp'
amber_charge = {peptide.N: -0.3481, sidechain.N_delta_1: -0.1501, peptide.O_2: -0.8177, sidechain.C_gamma: 0.0298, sidechain.C_delta_2: -0.1256, peptide.C_alpha: -0.1445, sidechain.C_epsilon_1: -0.0251, sidechain.N_epsilon_2: -0.1683, sidechain.C_beta: -0.08, peptide.C: 0.8032, peptide.O: -0.8177, }
name = 'histidine_plus'
chain_links = [peptide.N, None]
