PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10614983-2 1999 The principal idea for this hypothesis stems from observation that two bradykinin B2 receptor-activated signal pathways, protein tyrosine phosphorylation and formation of inositol tetrakisphosphate, merge during the Ca2+ influx process and that GTPase activating-protein 1 (GAP 1) is inositol tetrakisphosphate binding protein. Tyrosine 129-137 kininogen 1 Homo sapiens 71-81