Receptor for the glycosphingolipid psychosine (PSY) and several related glycosphingolipids . Plays a role in immune response by maintaining lysosome function and supporting phagocytosis-mediated intracellular bacteria clearance . May have a role in activation-induced cell death or differentiation of T-cells (By similarity).
Subcellular locations: Cell membrane
Predominantly expressed in thymus, spleen, lymph nodes, small intestine, lung, placenta and peripheral blood leukocytes.