sidechain = Group('ala_sidechain_noh')
peptide = Group('peptide_nt_noh')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Ala'
amber_charge = {peptide.C: 0.6163, peptide.O: -0.5722, peptide.N: 0.1414, sidechain.C_beta: -0.0597, peptide.C_alpha: 0.0962, }
name = 'alanine'
chain_links = [None, peptide.C]
