Acetolactate Synthase

**Definition:** A flavoprotein enzyme that catalyzes the formation of acetolactate from 2 moles of PYRUVATE in the biosynthesis of VALINE and the formation of acetohydroxybutyrate from pyruvate and alpha-ketobutyrate in the biosynthesis of ISOLEUCINE. This enzyme was formerly listed as EC 4.1.3.18.

**Tree numbers:** - D08.811.913.200.324 - D12.776.331.049

**Synonyms:** - Acetohydroxy Acid Synthase - Acetohydroxy Acid Synthetase - Acetolactate Synthetase