other glycosaminoglycan-sepharoses did not retain significant amounts of any of the fibronectin fragments , suggesting that the affinity of plasma fibronectin and its fragments to heparan sulfate and other glycosaminoglycans , except heparin , is not strong enough to achieve stable mono- ( or di- ) valent binding under physiologic conditions .
C0019143
heparan sulfate
C0017973
glycosaminoglycans