to resolve the importance of the heparan sulfate-binding or cell-binding activities of the pfn molecule in these adhesive responses , a cell-binding fragment ( 120k ) ( cbf ) free of any heparan sulfate-binding activity was prepared from human pfn by chymotrypic digestion and isolated as described by pierschbacher et al .
C2266866
binding activities
C2917226
heparan sulfate-binding activity