Predicted to enable glycerol-3-phosphate dehydrogenase [NAD+] activity. Acts upstream of or within camera-type eye development; gluconeogenesis; and glycerol-3-phosphate metabolic process. Located in mitochondrial inner membrane. Is expressed in several structures, including alimentary system; genitourinary system; nervous system; respiratory system; and sensory organ. Human ortholog(s) of this gene implicated in type 2 diabetes mellitus. Orthologous to human GPD2 (glycerol-3-phosphate dehydrogenase 2). [provided by Alliance of Genome Resources, Apr 2022]