sidechain = Group('ser_sidechain')
peptide = Group('peptide_nt')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Ser'
amber_charge = {peptide.H_3: 0.1898, sidechain.H_gamma: 0.4239, sidechain.H_beta_3: 0.0273, peptide.N: 0.1849, peptide.C: 0.6163, sidechain.O_gamma: -0.6714, sidechain.H_beta_2: 0.0273, peptide.H_alpha: 0.0782, sidechain.C_beta: 0.2596, peptide.O: -0.5722, peptide.C_alpha: 0.0567, peptide.H_2: 0.1898, peptide.H_1: 0.1898, }
name = 'serine'
chain_links = [None, peptide.C]
