This gene encodes a member of the short-chain dehydrogenase/reductase gene family. The encoded protein forms a homotetrameric lipid-requiring enzyme of the mitochondrial membrane and has a specific requirement for phosphatidylcholine for optimal enzymatic activity. The encoded protein catalyzes the interconversion of acetoacetate and (R)-3-hydroxybutyrate, the two major ketone bodies produced during fatty acid catabolism. Alternatively spliced transcript variants encoding the same protein have been described. [provided by RefSeq, Jul 2008],
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功能:
Catalytic activity:(R)-3-hydroxybutanoate + NAD(+) = acetoacetate + NADH.,enzyme regulation:Requires phosphatidylcholine as an allosteric activator for enzymatic activity.,similarity:Belongs to the short-chain dehydrogenases/reductases (SDR) family.,subunit:Homotetramer.,