sidechain = Group('trp_sidechain')
peptide = Group('peptide_nt')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Trp'
amber_charge = {sidechain.C_zeta_2: -0.271, peptide.H_3: 0.1888, sidechain.H_beta_3: 0.0222, peptide.C: 0.6123, peptide.H_2: 0.1888, sidechain.C_zeta_3: -0.2034, sidechain.H_beta_2: 0.0222, sidechain.N_epsilon_1: -0.3444, sidechain.C_gamma: -0.1654, sidechain.C_epsilon_2: 0.1575, peptide.H_1: 0.1888, peptide.N: 0.1913, sidechain.C_eta_2: -0.108, sidechain.C_delta_2: 0.1132, peptide.O: -0.5713, sidechain.H_epsilon_3: 0.1646, sidechain.H_eta_2: 0.1411, sidechain.C_beta: 0.0543, sidechain.H_delta_1: 0.2195, sidechain.H_zeta_2: 0.1589, sidechain.C_epsilon_3: -0.2265, sidechain.H_epsilon_1: 0.3412, peptide.C_alpha: 0.0421, sidechain.C_delta_1: -0.1788, sidechain.H_zeta_3: 0.1458, peptide.H_alpha: 0.1162, }
name = 'tryptophan'
chain_links = [None, peptide.C]
