sidechain = Group('hip_sidechain_uni')
peptide = Group('peptide_ct_uni')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Hsp'
amber91_charge = {sidechain.N_delta_1: -0.613, sidechain.C_epsilon_1: 0.719, peptide.O_2: -0.706, sidechain.C_gamma: 0.103, sidechain.N_epsilon_2: -0.686, peptide.N: -0.52, peptide.C_alpha: 0.189, sidechain.C_beta: 0.211, sidechain.C_delta_2: 0.353, peptide.O: -0.706, peptide.C: 0.444, sidechain.H_delta_1: 0.478, peptide.H: 0.248, sidechain.H_epsilon_2: 0.486, }
name = 'histidine_plus'
chain_links = [peptide.N, None]
