sidechain = Group('trp_sidechain_uni')
peptide = Group('peptide_nt_uni')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Trp'
amber91_charge = {sidechain.C_beta: 0.02, sidechain.C_gamma: 0.046, peptide.H_1: 0.312, sidechain.C_eta_2: 0.034, sidechain.C_delta_1: 0.117, peptide.C: 0.526, peptide.C_alpha: 0.303, sidechain.C_epsilon_2: 0.0, sidechain.H_epsilon_1: 0.294, sidechain.C_delta_2: -0.275, peptide.N: -0.263, sidechain.C_zeta_3: -0.082, peptide.H_3: 0.312, sidechain.C_zeta_2: 0.029, peptide.O: -0.5, peptide.H_2: 0.312, sidechain.C_epsilon_3: 0.145, sidechain.N_epsilon_1: -0.33, }
name = 'tryptophan'
chain_links = [None, peptide.C]
