Predicted to be involved in immune response. Predicted to be located in membrane. Predicted to be active in external side of plasma membrane and extracellular space. Is expressed in liver and biliary system; male organism; and pancreatic system. Human ortholog(s) of this gene implicated in several diseases, including artery disease (multiple); asthma (multiple); autoimmune disease (multiple); eye disease (multiple); and inner ear disease (multiple). Orthologous to several human genes including MR1 (major histocompatibility complex, class I-related).