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Member 1 of 25
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2-oxoisovalerate dehydrogenase subunit alpha, mitochondrial
UniProtKB accession: P12694
Grouped By: Matching UniProtKB accession
Group Content:
Polymer Entities matching query 25
Go to UniProtKB: P12694
UniProtKB description: Together with BCKDHB forms the heterotetrameric E1 subunit of the mitochondrial branched-chain alpha-ketoacid dehydrogenase (BCKD) complex. The BCKD complex catalyzes the multi-step oxidative decarboxylation of alpha-ketoacids derived from the branched-chain amino-acids valine, leucine and isoleucine producing CO2 and acyl-CoA which is subsequently utilized to produce energy. The E1 subunit catalyzes the first step with the decarboxylation of the alpha-ketoacid forming an enzyme-product intermediate. A reductive acylation mediated by the lipoylamide cofactor of E2 extracts the acyl group from the E1 active site for the next step of the reaction.
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