sidechain = Group('hid_sidechain_noh')
peptide = Group('peptide_nt_noh')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Hsd'
amber_charge = {peptide.C_alpha: 0.0964, sidechain.C_beta: 0.0259, sidechain.C_epsilon_1: 0.2127, sidechain.C_gamma: -0.0399, sidechain.C_delta_2: 0.1046, peptide.N: 0.1542, peptide.O: -0.5713, sidechain.N_delta_1: -0.3819, peptide.C: 0.6123, sidechain.N_epsilon_2: -0.5711, }
name = 'histidine_deltah'
chain_links = [None, peptide.C]
