Predicted to enable 3-hydroxybutyrate dehydrogenase activity and phospholipid binding activity. Located in mitochondrial inner membrane. Is expressed in several structures, including alimentary system; genitourinary system; integumental system; nervous system; and sensory organ. Orthologous to human BDH1 (3-hydroxybutyrate dehydrogenase 1). [provided by Alliance of Genome Resources, Apr 2022]