Which among the following controls is an allosteric inhibitor of TCA cycle:: (A) Pyruvate dehydrogenase, (B) Keto glutarate dehydrogenase, (C) Isocitrate dehydrogenase, (D) Malate dehydrogenase
Answer is C. C i.e. Isocitrate dehydrogenase The enzyme of TCA cycle having allosteric inhibitor is isocitrate dehydrogenaseQ. The allosteric activator is ADP and allosteric inhibitor is ATP and long chain aceyl COA