sidechain = Group('lys_sidechain_uni')
peptide = Group('peptide_uni')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Lys'
name = 'lysine'
chain_links = [peptide.N, peptide.C]
amber91_charge = {peptide.O: -0.5, sidechain.C_gamma: 0.053, sidechain.N_zeta: -0.272, sidechain.H_zeta_1: 0.311, peptide.C_alpha: 0.227, peptide.C: 0.526, peptide.H: 0.248, sidechain.C_delta: 0.048, peptide.N: -0.52, sidechain.C_beta: 0.039, sidechain.C_epsilon: 0.218, sidechain.H_zeta_3: 0.311, sidechain.H_zeta_2: 0.311, }
