sidechain = Group('trp_sidechain_noh')
peptide = Group('peptide_nt_noh')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Trp'
amber_charge = {sidechain.C_zeta_2: -0.271, sidechain.C_beta: 0.0543, sidechain.N_epsilon_1: -0.3444, sidechain.C_eta_2: -0.108, sidechain.C_delta_1: -0.1788, sidechain.C_delta_2: 0.1132, sidechain.C_gamma: -0.1654, peptide.O: -0.5713, sidechain.C_epsilon_3: -0.2265, peptide.C: 0.6123, peptide.N: 0.1913, sidechain.C_zeta_3: -0.2034, sidechain.C_epsilon_2: 0.1575, peptide.C_alpha: 0.0421, }
name = 'tryptophan'
chain_links = [None, peptide.C]
