Open Question Type 2: Enzymes → Coenzymes & Prosthetic Groups

Isocitrate dehydrogenase

Coenzyme: NAD⁺

Vitamin: NAD⁺ → Vit B3

Pyruvate dehydrogenase

Coenzyme: TPP, lipoic acid, CoA, FAD, NAD⁺

Vitamin: TPP → Vit B1, CoA → Vit B5, FAD → B2, NAD⁺ → Vit B3

Acetyl CoA carboxylase

Coenzyme: Biotin

Vitamin: Biotin → Vit B7

Alanine transaminase

Coenzyme: PLP

Vitamin: PLP → Vit B6

Serine decarboxylase

Coenzyme: PLP

Vitamin: Vit B6

Serine hydroxymethyltransferase

Coenzyme: THF, PLP

Vitamin: THF → Vit B9, PLP → Vit B6

Transaldolase

No specific vitamin-derived coenzyme or prosthetic group

Transketolase

Coenzyme: TPP

Vitamin: Vit B1