sidechain = Group('val_sidechain_noh')
peptide = Group('peptide_nt_noh')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Val'
amber_charge = {sidechain.C_beta: 0.3196, peptide.C: 0.6163, peptide.N: 0.0577, sidechain.C_gamma_1: -0.3129, sidechain.C_gamma_2: -0.3129, peptide.O: -0.5722, peptide.C_alpha: -0.0054, }
name = 'valine'
chain_links = [None, peptide.C]
