PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10358924-3 1999 So far, three type I PIP kinases(alpha, beta, and gamma), which phosphorylate PtdIns(4) to PtdIns(4,5)P2, and three type II PIP kinases(alpha, beta, gamma), which phosphorylate PtdIns(5)P to PtdIns(4,5)P2 have been found. ptdins(4) 78-87 prolactin induced protein Homo sapiens 21-24