sidechain = Group('met_sidechain_noh')
peptide = Group('peptide_noh')
bonds = [Bond(peptide.C_alpha, sidechain.C_beta), ]
symbol = 'Met'
amber_charge = {sidechain.S_delta: -0.2737, peptide.O: -0.5679, peptide.N: -0.4157, sidechain.C_beta: 0.0342, sidechain.C_gamma: 0.0018, peptide.C_alpha: -0.0237, sidechain.C_epsilon: -0.0536, peptide.C: 0.5973, }
name = 'methionine'
chain_links = [peptide.N, peptide.C]
