sidechain = Group('hid_sidechain_uni')
peptide = Group('peptide_nt_uni')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'His'
amber91_charge = {sidechain.C_delta_2: 0.145, peptide.H_3: 0.312, peptide.H_1: 0.312, sidechain.H_delta_1: 0.32, peptide.C: 0.526, sidechain.C_beta: 0.06, sidechain.C_epsilon_1: 0.384, peptide.N: -0.263, sidechain.N_delta_1: -0.444, sidechain.C_gamma: 0.089, peptide.C_alpha: 0.274, peptide.O: -0.5, peptide.H_2: 0.312, sidechain.N_epsilon_2: -0.527, }
name = 'histidine_deltah'
chain_links = [None, peptide.C]
