PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8300609-9 1994 We established that the apoE3-enriched beta-VLDL were bound to cell surface heparan sulfate proteoglycans, as was the newly synthesized and secreted apoE3 (approximately 12% of the total secreted apoE3 was released by heparinase and suramin; 4% by heparin). Heparin 218-225 apolipoprotein E Homo sapiens 24-29