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Biochemistry: Acetohydroxyacid SynthaseKeywords: AHAS , acetohydroxyacid synthase Abstract: Acetohydroxyacid synthase (AHAS, EC 2.2.1.6; formerly known as acetolactate synthase, ALS) is a thiamin-and FAD-dependent enzyme which catalyses the first common step in the biosynthesis of the branched-chain amino acids (BCAA) isoleucine, leucine and valine. The enzyme is inhibited by several commercial herbicides and has been studied over the last 20 to 30 years. A short introductory note about acetohydroxyacid synthase has been provided.
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