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.,
Mitochondrion inner membrane . Mitochondrion matrix .
Heart,Lung,Ovary,