the cell surface proteoglycan on normal murine mammary gland ( nmumg ) epithelial cells consists of a lipophilic domain , presumably intercalated into the plasma membrane , and an ectodomain that binds via its glycosaminoglycan chains to matrix components , is released intact by proteases and is detected by monoclonal antibody 281-2 .
C0007634
the cell
C0007603
plasma