sidechain = Group('val_sidechain_noh')
peptide = Group('peptide_ct_noh')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Val'
amber_charge = {sidechain.C_gamma_2: -0.3064, peptide.N: -0.3821, peptide.C: 0.835, peptide.O_2: -0.8173, peptide.O: -0.8173, sidechain.C_beta: 0.194, peptide.C_alpha: -0.3438, sidechain.C_gamma_1: -0.3064, }
name = 'valine'
chain_links = [peptide.N, None]
