sidechain = Group('ala_sidechain')
peptide = Group('peptide')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Ala'
amber_charge = {sidechain.H_beta_3: 0.0603, sidechain.C_beta: -0.1825, peptide.N: -0.4157, peptide.H: 0.2719, peptide.C: 0.5973, peptide.C_alpha: 0.0337, sidechain.H_beta_1: 0.0603, sidechain.H_beta_2: 0.0603, peptide.O: -0.5679, peptide.H_alpha: 0.0823, }
name = 'alanine'
chain_links = [peptide.N, peptide.C]
