Acts upstream of or within several processes, including homeostasis of number of cells within a tissue; insulin secretion; and response to glucose. Predicted to be located in endoplasmic reticulum. Predicted to be integral component of membrane. Predicted to be active in membrane. Is expressed in embryo and retina. Orthologous to human ILDR2 (immunoglobulin like domain containing receptor 2). [provided by Alliance of Genome Resources, Apr 2022]