Tethering protein that sequesters GLUT4-containing vesicles in the cytoplasm in the absence of insulin. Modulates the amount of GLUT4 that is available at the cell surface (By similarity)
Tissue Specificity
Ubiquitous. Highly expressed in testis, heart, skeletal muscle and pancreas
Cellular Localization
Endomembrane system; Peripheral membrane protein (By similarity)