the proteoglycan fraction appeared to contain dermatan sulfate , heparan sulfate and an unidentified glycosaminoglycan in its glycan moieties by glycosaminoglycan analysis after pronase digestion and high molecular weight proteoglycan molecules ( mw : over 300,000 and about 200,000 ) by sds-page analysis .
C0019143
heparan sulfate
C0017973
glycosaminoglycan