Cystathionine gamma-Lyase
Synonyms
Cystathionase
Cystathionine gamma Lyase
Cysteine Desulfhydrase
Cystine Desulfhydrase
Cystine Desulfohydrolase
Deaminase, Homoserine
Dehydratase, Homoserine
Desulfhydrase, Cysteine
Desulfhydrase, Cystine
Desulfohydrolase, Cystine
Homoserine Deaminase
Homoserine Dehydratase
L-Cystathionine cysteine-lyase (deaminating)
gamma Cystathionase
gamma-Cystathionase
gamma-Lyase, Cystathionine
A multifunctional pyridoxal phosphate enzyme. In the final step in the biosynthesis of cysteine it catalyzes the cleavage of cystathionine to yield cysteine, ammonia, and 2-ketobutyrate. EC 4.4.1.1.