Predicted to enable NADH dehydrogenase activity; protein disulfide isomerase activity; and protein-disulfide reductase activity. Predicted to be involved in ultradian rhythm. Predicted to act upstream of or within rhythmic process. Predicted to be located in external side of plasma membrane and extracellular region. Predicted to be active in plasma membrane. Is expressed in several structures, including adrenal gland; alimentary system; central nervous system; eye; and genitourinary system. Orthologous to human ENOX1 (ecto-NOX disulfide-thiol exchanger 1). [provided by Alliance of Genome Resources, Apr 2022]