sidechain = Group('gly_sidechain_noh')
peptide = Group('peptide_noh')
symbol = 'Gly'
amber_charge = {peptide.C_alpha: -0.0252, peptide.C: 0.5973, peptide.O: -0.5679, peptide.N: -0.4157, }
name = 'glycine'
chain_links = [peptide.N, peptide.C]
