<prompt> Thiamine is coenzyme for all the following enzymes excepta-ketoglutarate dehydrogenasePyruvate dehydrogenaseSuccinate dehydrogenaseTransketolase  <response>: Vitamin Functions Deficiency Disease B1 Coenzyme in pyruvate and a-ketoglutarate dehydrogenases, and transketolase; regulates Cl- channel in nerve conduction Peripheral nerve damage beriberi or central nervous system lesions Wernicke Korsakoff syndrome Reference: Harper; 30th edition; Page no: 550 