PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9558385-9 1998 In the presence of heparin, PF-4 abolished totally the stimulatory effect of heparin. Heparin 19-26 platelet factor 4 Mus musculus 28-32 9558385-9 1998 In the presence of heparin, PF-4 abolished totally the stimulatory effect of heparin. Heparin 77-84 platelet factor 4 Mus musculus 28-32 9558385-10 1998 Furthermore, PF-4 complexed to FGF-2 and inhibited endogenous or heparin-induced FGF-2 dimerization. Heparin 65-72 platelet factor 4 Mus musculus 13-17