Sulfhydryl and Disulfide Groups of Proteins - Yu M. Torchinskii - Bog

(Written for the original Russian edition) Out of all the functional groups of protein molecules that be long to the side chains of amino acid residues, the sulfhydryl or thiol (SH) groups of cysteine residues and the disulfide (S-S) groups of cystine have for long attracted particular attention from chemists and biochemists.