Predicted to enable protein-disulfide reductase activity. Predicted to be involved in electron transport chain and ultradian rhythm. Predicted to act upstream of or within regulation of growth and rhythmic process. Predicted to be located in external side of plasma membrane. Predicted to be active in plasma membrane. Is expressed in brain; retina; and spinal cord. Orthologous to human ENOX2 (ecto-NOX disulfide-thiol exchanger 2). [provided by Alliance of Genome Resources, Apr 2022]