Acts as a heparin receptor in vascular cells (By similarity). May be involved in vesicle transport in exocrine cells and Sertoli cells (By similarity).
Cell membrane ; Multi-pass membrane protein . Cytoplasm, perinuclear region . Cytoplasmic vesicle membrane ; Multi-pass membrane protein . Early endosome membrane ; Multi-pass membrane protein . Endosome . Cytoplasmic vesicle, secretory vesicle membrane .
Expressed in vascular cells (at protein level).