PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1984783-2 1991 They displayed a significant phospholipase (PLC) activity against phosphoinositides, which was stimulated by guanosine 5"-O-(3-thiotriphosphate) (GTP gamma S), epidermal growth factor (EGF) and fetal calf serum (FCS) (24%, 11% and 97% over controls, respectively). Guanosine Triphosphate 146-149 heparan sulfate proteoglycan 2 Homo sapiens 44-47