<prompt> Cystathionine lyase requires which cofactor ?ThymineRiboflavinPyridoxineNiacin  <response>: Hydrolytic cleavage hydrolysis of cystathionine forms Homoserine plus cysteine.This reaction is catalyzed by the enzyme cystathionine lyase cystathionase, which requires cofactor pyridoxal phosphate active form of pyridoxin. 