May protect cells from cell death by inducing cytosolic vacuolization and up-regulating the autophagy pathway . May play a role in apoptosis and cell proliferation through its interaction with HSPA5 .
Subcellular locations: Cell membrane, Late endosome membrane, Golgi apparatus, Trans-Golgi network membrane, Lysosome membrane, Endoplasmic reticulum membrane
Expressed in normal endometrium but overexpressed in endometroid tumors.