Pyruvate dehydrogenase requires all
cofactors except
a) Thiamin
b) Riboflavin
c) Niacin
d) Pyridoxin
Correct Answer - D
Ans. is ‘d’ i.e., Pyridoxin [Ref Harper 29thle p. 176]
Pyruvate dehydrogenase catalyses oxidative decarboxylation of
pyruvate to acetyl CoA.
The coenzyme required by PDH are :-
- Thiamine pyrophosphate
- Riboflavin(FAD)
- CoA
- Niacin (NAD)
- Lipoic acid