Thiamine pyrophosphate
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Thiamine pyrophosphate (TPP) or thiamine diphosphate (ThDP) is a thiamine derivative which is cleaved by thiamine pyrophosphatase. Thiamine phyrophosphate is the active form of thiamine (vitamin B1).[1]
ThDP is a prosthetic group in many enzymes, such as:
- Pyruvate dehydrogenase complex
- Alpha-ketoglutarate dehydrogenase complex
- Branched-chain amino acid dehydrogenase complex
- 2-hydroxyphytanoyl-CoA lyase
- Transketolase