sidechain = Group('ser_sidechain')
peptide = Group('peptide')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Ser'
amber_charge = {peptide.N: -0.4157, peptide.C: 0.5973, peptide.H: 0.2719, peptide.O: -0.5679, sidechain.H_beta_3: 0.0352, sidechain.H_gamma: 0.4275, sidechain.C_beta: 0.2117, peptide.C_alpha: -0.0249, sidechain.H_beta_2: 0.0352, sidechain.O_gamma: -0.6546, peptide.H_alpha: 0.0843, }
name = 'serine'
chain_links = [peptide.N, peptide.C]
