The E3 subunit of pyruvate dehydrogenase, $\alpha$-ketoglutarate dehydrogenase and the branched-chain $\alpha$-keto acid dehydrogenase complex is identical in each multi-enzyme complex. What reaction is catalyzed by this subunit, and why it does it make sense that it is common while E1 and E2 are not?

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The Answer of The E3 subunit of pyruvate dehydrogenase, $\alpha$-ketoglutarate dehydrogenase and the branched-chain $\alpha$-keto acid dehydrogenase complex is identical in each multi-enzyme complex. What reaction is catalyzed by this subunit, and why it does it make sense that it is common while E1 and E2 are not?

The E3 Subunit of Pyruvate Dehydrogenase α\alphaα -Ketoglutarate Dehydrogenase and the Branched-Chain

The E3 Subunit of Pyruvate Dehydrogenase $\alpha$ -Ketoglutarate Dehydrogenase and the Branched-Chain