chromatography on sepharose cl-4b identified two heparan sulphate proteoglycans in the medium ( kav 0.220 and 0.389 ) , whereas in the cell lysate the major proteoglycan species were more heterogenous and of a smaller overall molecular size ( kav 0.407 ) than the medium-derived counterparts .
C0062503
heparan sulphate
C0033692
proteoglycan