sidechain = Group('hid_sidechain')
peptide = Group('peptide_ct')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'His'
amber_charge = {sidechain.H_delta_2: 0.1241, sidechain.H_beta_3: 0.0565, peptide.O_2: -0.8016, sidechain.C_beta: -0.1046, peptide.H: 0.2681, sidechain.C_epsilon_1: 0.1925, peptide.C: 0.7615, sidechain.C_delta_2: 0.1001, peptide.N: -0.3821, sidechain.H_delta_1: 0.3755, sidechain.H_beta_2: 0.0565, peptide.O: -0.8016, sidechain.H_epsilon_1: 0.1418, peptide.C_alpha: -0.1739, sidechain.N_epsilon_2: -0.5629, sidechain.N_delta_1: -0.3892, sidechain.C_gamma: 0.0293, peptide.H_alpha: 0.11, }
name = 'histidine_deltah'
chain_links = [peptide.N, None]
