sidechain = Group('leu_sidechain_noh')
peptide = Group('peptide_ct_noh')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Leu'
amber_charge = {sidechain.C_beta: -0.2469, peptide.N: -0.3821, peptide.C: 0.8326, peptide.O: -0.8199, peptide.C_alpha: -0.2847, sidechain.C_delta_2: -0.4163, peptide.O_2: -0.8199, sidechain.C_delta_1: -0.4163, sidechain.C_gamma: 0.3706, }
name = 'leucine'
chain_links = [peptide.N, None]
