LMPD Database

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LMP009677

UniProt Annotations

Entry Information
Gene Namebranched-chain alpha-keto acid decarboxylase E1 beta subunit
Protein EntryODBB1_ARATH
UniProt IDQ9SAV3
SpeciesArabidopsis
Comments
Comment typeDescription
Catalytic Activity3-methyl-2-oxobutanoate + [dihydrolipoyllysine-residue (2-methylpropanoyl)transferase] lipoyllysine = [dihydrolipoyllysine-residue (2- methylpropanoyl)transferase] S-(2- methylpropanoyl)dihydrolipoyllysine + CO(2).
FunctionThe branched-chain alpha-keto dehydrogenase complex catalyzes the overall conversion of alpha-keto acids to acyl-CoA and CO(2). It contains multiple copies of three enzymatic components: branched-chain alpha-keto acid decarboxylase (E1), lipoamide acyltransferase (E2) and lipoamide dehydrogenase (E3) (By similarity). {ECO:0000250}.
Subcellular LocationMitochondrion matrix {ECO:0000250}.
SubunitHeterotetramer of alpha and beta chains. {ECO:0000250}.