The selective S-methylation of sulfhydryl groups in proteins and peptides with methyl-p-nitrobenzenesulfonate.

Amino Acids/analysis Ammonia Animals Binding Sites Carbon Isotopes Cattle Chemical Phenomena Chemistry Chromatography, Gel Chymotrypsin Cysteine Esters Glutathione Hydrogen-Ion Concentration Insulin Kinetics Mercaptoethanol Methods Methylation Muramidase Nitrobenzenes Oxidation-Reduction Papain Peptides Protein Denaturation Proteins Ribonucleases Sodium Sulfhydryl Compounds Sulfonic Acids Temperature Transferases Urea

Amino Acids Carbon Isotopes Esters Insulin Nitrobenzenes Peptides Proteins Sulfhydryl Compounds Sulfonic Acids Mercaptoethanol Ammonia Urea Sodium Transferases Ribonucleases Muramidase Chymotrypsin Papain Glutathione Cysteine