when the accumulated high buoyant density gag was analyzed on a sepharose cl-6-b column , approximately 14 % of the heparin sulfate were in the macromolecular portion as a form of proteoglycan because it was destroyed by the papain digestion or alkaline borohydride treatment which extensively digests protein or releases gag from protein by the elimination reaction , respectively .
C0019134
heparin
C0017973
gag