All of the following are cofactors for the enzymes of the TCA cycle, except
Niacin
Pantothenic acid
Biotin
Riboflavin
The following vitamins serve as cofactors for various enzymes of the TCA cycle - Riboflavin 1. Active form: FAD 2. Cofactor for: Succinate dehydrogenase Niacin 1. Active form: NAD+ 2. Cofactor for: Isocitrate dehydrogenase, a-ketoglutarate dehydrogenase, and Malate dehydrogenase complex Thiamin 1. Active form: Thiamin diphosphate 2. Cofactor for: decarboxylation step of alpha keto glutarate dehydrogenase complex Pantothenic acid 1. Active form : As a pa of Coenzyme A 2. Cofactor for: esterified to the carboxylic acid residues, i.e. acetyl-CoA and succinyl-CoA. Reference: Harper's Illustrated Biochemistry 30th Edition Page no: 164
Metabolism of carbohydrate