PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17119157-3 2006 Class I(A) phosphatidylinositol 3-kinase (PI3K), which is composed of a p85 (regulatory) and p110 (catalytic) subunits, is the enzyme generating PI(3,4)P2 and PI(3,4,5)P3 following GFR stimulation. phosphoinositide-3,4-bisphosphate 145-154 Rap guanine nucleotide exchange factor 5 Homo sapiens 181-184