sidechain = Group('gly_sidechain')
peptide = Group('peptide')
bonds = [Bond(peptide.C_alpha, sidechain.H_alpha_3), ]
symbol = 'Gly'
amber_charge = {peptide.H_alpha: 0.0698, sidechain.H_alpha_3: 0.0698, peptide.N: -0.4157, peptide.C_alpha: -0.0252, peptide.O: -0.5679, peptide.H: 0.2719, peptide.C: 0.5973, }
name = 'glycine'
chain_links = [peptide.N, peptide.C]
