sidechain = Group('hid_sidechain')
peptide = Group('peptide_nt')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Hsd'
amber_charge = {sidechain.C_gamma: -0.0399, peptide.C: 0.6123, peptide.H_3: 0.1963, sidechain.H_delta_2: 0.1299, peptide.N: 0.1542, sidechain.H_epsilon_1: 0.1385, sidechain.H_beta_3: 0.0209, sidechain.C_epsilon_1: 0.2127, peptide.C_alpha: 0.0964, sidechain.C_beta: 0.0259, sidechain.H_delta_1: 0.3632, sidechain.N_epsilon_2: -0.5711, sidechain.H_beta_2: 0.0209, peptide.O: -0.5713, sidechain.N_delta_1: -0.3819, peptide.H_alpha: 0.0958, sidechain.C_delta_2: 0.1046, peptide.H_1: 0.1963, peptide.H_2: 0.1963, }
name = 'histidine_deltah'
chain_links = [None, peptide.C]
