d-3-hydroxybutyric acid dehydrogenase

d-3-hy·drox·y·bu·tyr·ic ac·id de·hy·dro·gen·ase

an enzyme that reversibly catalyzes the interconversion of the two main ketone bodies, catalyzing acetoacetate + NADH + H+ ⇄ d-3-hydroxybutyrate + NAD+.