sidechain = Group('ile_sidechain_noh')
peptide = Group('peptide_noh')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Ile'
amber_charge = {peptide.O: -0.5679, peptide.C: 0.5973, sidechain.C_gamma_1: -0.043, sidechain.C_gamma_2: -0.3204, sidechain.C_delta_1: -0.066, sidechain.C_beta: 0.1303, peptide.N: -0.4157, peptide.C_alpha: -0.0597, }
name = 'isoleucine'
chain_links = [peptide.N, peptide.C]
