Cystathionine beta synthase
MAMMALIAN PROTEIN FOUND IN HOMO SAPIENS
Cystathionine Beta-Synthase; Cystathionine-β-synthase; Cystathionine-beta-synthase; Cystathionine b-synthase; Cystathionine beta-synthase; Cystathionine-b-synthase; Cystathionine synthase; CBS (gene); EC 4.2.1.22; Methylcysteine synthase; L-serine hydro-lyase (adding homocysteine; L-cystathionine-forming)
Cystathionine-β-synthase, also known as CBS, is an enzyme () that in humans is encoded by the CBS gene. It catalyzes the first step of the transsulfuration pathway, from homocysteine to cystathionine: