sidechain = Group('hip_sidechain')
peptide = Group('peptide_ct')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Hsp'
amber_charge = {sidechain.C_epsilon_1: -0.0251, sidechain.H_epsilon_1: 0.2694, sidechain.N_epsilon_2: -0.1683, peptide.N: -0.3481, sidechain.N_delta_1: -0.1501, sidechain.C_beta: -0.08, sidechain.H_delta_1: 0.3883, sidechain.C_gamma: 0.0298, peptide.H_alpha: 0.1115, peptide.C: 0.8032, peptide.C_alpha: -0.1445, sidechain.H_beta_3: 0.0868, sidechain.H_epsilon_2: 0.3913, sidechain.C_delta_2: -0.1256, sidechain.H_beta_2: 0.0868, sidechain.H_delta_2: 0.2336, peptide.O_2: -0.8177, peptide.O: -0.8177, peptide.H: 0.2764, }
name = 'histidine_plus'
chain_links = [peptide.N, None]
