[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C@H1][Branch2][Ring2][#C][C@@H1][Branch2][Ring2][#Branch2][C@H1][Branch2][Ring1][=N][C@@H1][Branch1][P][C@H1][Branch1][=N][C@@H1][Ring1][=Branch1][O][P][=Branch1][C][=O][Branch1][C][O][O][O][O][P][=Branch1][C][=O][Branch1][C][O][O][O][P][=Branch1][C][=O][Branch1][C][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a phosphatidylinositol with phosphate covalently bound in the 4 and 5 positions of the inositol group. Inositol 1,4,5-trisphosphate acts as an intermediate in the IP3/DAG pathway, hydrolyzed by phospholipase C and liberating diacylglycerol and PIP2, which activate Protein Kinase C and calcium release from the endoplasmic reticulum, respectively."}]