sidechain = Group('gly_sidechain_uni')
peptide = Group('peptide_uni')
symbol = 'Gly'
amber91_charge = {peptide.C_alpha: 0.246, peptide.O: -0.5, peptide.N: -0.52, peptide.C: 0.526, peptide.H: 0.248, }
name = 'glycine'
chain_links = [peptide.N, peptide.C]
