hybrid proteoglycans accounting for the bulk of the chondroitin-sulfate and nearly half of the heparan-sulfate residues of the proteoglycans showed a similar polydispersity of heparan-sulfate chain sizes as found in proteoglycans that carried only , or predominantly , heparan-sulfate chains .
C0062503
heparan-sulfate
C0019143
heparan-sulfate