sidechain = Group('val_sidechain_uni')
peptide = Group('peptide_uni')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Val'
name = 'valine'
chain_links = [peptide.N, peptide.C]
amber91_charge = {sidechain.C_gamma_2: 0.006, peptide.O: -0.5, peptide.H: 0.248, peptide.C_alpha: 0.201, peptide.N: -0.52, sidechain.C_gamma_1: 0.006, peptide.C: 0.526, sidechain.C_beta: 0.033, }
