sidechain = Group('hip_sidechain_uni')
peptide = Group('peptide_nt_uni')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Hsp'
amber91_charge = {sidechain.C_epsilon_1: 0.719, peptide.H_1: 0.312, sidechain.C_delta_2: 0.353, sidechain.H_delta_1: 0.478, sidechain.C_gamma: 0.103, peptide.O: -0.5, peptide.C: 0.526, peptide.C_alpha: 0.25, sidechain.H_epsilon_2: 0.486, sidechain.N_delta_1: -0.613, sidechain.C_beta: 0.211, sidechain.N_epsilon_2: -0.686, peptide.H_2: 0.312, peptide.N: -0.263, peptide.H_3: 0.312, }
name = 'histidine_plus'
chain_links = [None, peptide.C]
