All of the following are cofactors for Branched chain ketoacid dehydrogenase, EXCEPT: (A) FAD, (B) Lipoamide, (C) NADP, (D) Thiamin pyrophosphate
Answer is C. Thiamin pyrophosphate (Vit B1), Lipoic Acid, Coenzyme A (B5), FAD (Vitamin B2) and NAD+ (Vitamin B3) are required as cofactors for the following 3 enzymes, Pyruvate dehydrogenase a-keto glutarate dehydrogenase Branched chain keto acid dehydrogenase All these 3 enzymes are multienzyme complexes of three different enzymes.