sidechain = Group('ser_sidechain_noh')
peptide = Group('peptide_nt_noh')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Ser'
amber_charge = {peptide.N: 0.1849, peptide.O: -0.5722, peptide.C: 0.6163, sidechain.C_beta: 0.2596, peptide.C_alpha: 0.0567, sidechain.O_gamma: -0.6714, }
name = 'serine'
chain_links = [None, peptide.C]
