sidechain = Group('ala_sidechain_noh')
peptide = Group('peptide_ct_noh')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Ala'
amber_charge = {peptide.O_2: -0.8055, peptide.N: -0.3821, peptide.O: -0.8055, peptide.C: 0.7731, sidechain.C_beta: -0.2093, peptide.C_alpha: -0.1747, }
name = 'alanine'
chain_links = [peptide.N, None]
