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The pyruvate dehydrogenase complex catalyzes the oxidative decarboxylation of pyruvate to form acetyl‑CoA. E1 , E2 , and E3 are abbreviations for the enzymes of the complex. Classify the enzyme names, prosthetic groups, and reactions as E1 , E2 , or E3 .

a. Dihydrolipoxl (dihydrolipoamide) deydrogenase
b. Thiamine pyrophosphate (TPP) (also called TOP)
c. Lipoamide (or lipoate)
d. FAD

User Dukz
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It’s B Thiamine puro pyrophosphate (TPP)
User Timothy Clemans
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