L-cystine <=> S-sulfanyl-L-cysteine + 2-aminoprop-2-enoate
l-cystine <=> s-sulfanyl-l-cysteine + 2-aminoprop-2-enoate
L-cystine <=> S-sulfanyl-L-cysteine + 2-aminoprop-2-enoate
l-cystine <=> s-sulfanyl-l-cysteine + 2-aminoprop-2-enoate