sidechain = Group('hip_sidechain')
peptide = Group('peptide_nt')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Hsp'
amber_charge = {peptide.H_3: 0.1704, peptide.H_alpha: 0.1047, sidechain.H_beta_3: 0.0531, sidechain.H_delta_2: 0.2495, peptide.C_alpha: 0.0581, sidechain.C_epsilon_1: -0.0011, sidechain.H_epsilon_1: 0.2645, peptide.H_2: 0.1704, sidechain.C_delta_2: -0.1433, peptide.N: 0.256, sidechain.H_epsilon_2: 0.3921, sidechain.C_gamma: -0.0236, sidechain.N_delta_1: -0.151, sidechain.H_delta_1: 0.3821, peptide.C: 0.7214, peptide.H_1: 0.1704, sidechain.H_beta_2: 0.0531, sidechain.N_epsilon_2: -0.1739, peptide.O: -0.6013, sidechain.C_beta: 0.0484, }
name = 'histidine_plus'
chain_links = [None, peptide.C]
