intact [ 35s ] hspg eluted with kav 0.1 from sepharose cl-4b , whereas the protein-free [ 35s ] heparan sulfate chains , obtained by alkaline borohydride treatment of the proteoglycan fractions , eluted with kav 0.45 ( mr approximately 72,000 ) .
C0062503
hspg
C0019143
heparan sulfate