sidechain = Group('hid_sidechain_noh')
peptide = Group('peptide_ct_noh')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'His'
amber_charge = {peptide.C_alpha: -0.1739, peptide.C: 0.7615, sidechain.N_delta_1: -0.3892, sidechain.N_epsilon_2: -0.5629, sidechain.C_delta_2: 0.1001, sidechain.C_gamma: 0.0293, peptide.O_2: -0.8016, peptide.O: -0.8016, sidechain.C_beta: -0.1046, sidechain.C_epsilon_1: 0.1925, peptide.N: -0.3821, }
name = 'histidine_deltah'
chain_links = [peptide.N, None]
