PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2540704-18 1989 In subsequent stimulation periods PIP2 is also hydrolyzed to IcP3. Phosphatidylinositol 4,5-Diphosphate 34-38 ATP binding cassette subfamily B member 4 Homo sapiens 61-65