whereas removal of chondroitin sulfates by chondroitin abc lyase treatment of cells did not affect the binding , identical enzymatic treatments of [ 35s ] sulfate-labeled cells showed that either heparan sulfate or chondroitin sulfate was selectively and completely removed from the cell surface by heparitinase or chondroitin abc lyase treatment , respectively .
C0007634
cells
C0699040
cell surface