sidechain = Group('ser_sidechain_uni')
peptide = Group('peptide_uni')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Ser'
name = 'serine'
chain_links = [peptide.N, peptide.C]
amber91_charge = {peptide.C_alpha: 0.292, peptide.O: -0.5, peptide.H: 0.248, peptide.N: -0.52, sidechain.O_gamma: -0.55, sidechain.H_gamma: 0.31, sidechain.C_beta: 0.194, peptide.C: 0.526, }
