Predicted to enable chaperone binding activity and protein homodimerization activity. Involved in regulation of endoplasmic reticulum stress-induced intrinsic apoptotic signaling pathway. Located in cell surface. Is expressed in Meckel's cartilage and pancreas epithelium. Orthologous to human ERP29 (endoplasmic reticulum protein 29). [provided by Alliance of Genome Resources, Apr 2022]