sidechain = Group('leu_sidechain_noh')
peptide = Group('peptide_noh')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Leu'
amber_charge = {peptide.C: 0.5973, peptide.O: -0.5679, sidechain.C_gamma: 0.3531, peptide.N: -0.4157, peptide.C_alpha: -0.0518, sidechain.C_delta_2: -0.4121, sidechain.C_beta: -0.1102, sidechain.C_delta_1: -0.4121, }
name = 'leucine'
chain_links = [peptide.N, peptide.C]
