sidechain = Group('ile_sidechain_noh')
peptide = Group('peptide_nt_noh')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Ile'
amber_charge = {peptide.C: 0.6123, sidechain.C_gamma_1: -0.0387, peptide.O: -0.5713, peptide.N: 0.0311, sidechain.C_gamma_2: -0.372, sidechain.C_beta: 0.1885, peptide.C_alpha: 0.0257, sidechain.C_delta_1: -0.0908, }
name = 'isoleucine'
chain_links = [None, peptide.C]
