Acts as a heparin receptor in vascular cells (By similarity). May be involved in vesicle transport in exocrine cells and Sertoli cells (By similarity).
Subcellular locations: Cell membrane, Cytoplasm, Perinuclear region, Cytoplasmic vesicle membrane, Early endosome membrane, Endosome, Cytoplasmic vesicle, Secretory vesicle membrane
Expressed in vascular cells (at protein level).