SEARCH Articles Figures Tables Basement membranes heparan sulfate proteoglycans Biological Roles of Heparan Sulfate Proteoglycans Biosynthesis of Heparin and Heparan Sulfate Proteoglycans Cell Surface Heparan Sulfate Proteoglycans Extracellular matrix heparan sulfate proteoglycan Functions of Cell Surface Heparan Sulfate Proteoglycans Heparan Heparan proteoglycan Heparan sulfate Heparan sulfate proteoglycan Heparan sulfate proteoglycan Heparan sulfate proteoglycan, basement Heparan sulfate proteoglycan, basement membranes Heparan sulfate proteoglycans HSPGs) Part-time Cell Surface Heparan Sulfate Proteoglycans Proteoglycan Proteoglycans Proteoglycans sulfation