the relative incorporation of 3h-glucosamine into trabecular gags , as determined by sequential enzymatic degradation , is : 22.3 % hyaluronic acid ( ha ) , 27.9 % chondroitin sulfate ( cs ) , 21.3 % dermatan sulfate ( ds ) , 5.9 % keratan sulfate ( ks ) , 17.7 % heparan sulfate ( hs ) and 4.9 % unidentified material .
C0017973
gags
C0019143
heparan sulfate