SEARCH Articles Figures Tables Amino-acid residues methionine Iodoacetate methionine residues Methionine residues chemical modification Methionine residues cytochrome Methionine residues dehydrogenases Methionine residues modification Methionine residues oxidation-reduction Methionine residues ribonuclease Methionine sulphoxide residues Of methionine residue Photooxidation methionine residues Proteins peptide cleavage, methionine residues