PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6294072-5 1982 The phosphodiesterase inhibitor, 1-methyl-3-isobutylxanthine, in the presence of a subthreshold concentration of PGI2 also raised cAMP and inhibited fibrinogen binding. 1-Methyl-3-isobutylxanthine 33-60 fibrinogen beta chain Homo sapiens 149-159