3.1.3.78 additional information 3.1.3.78 phosphatidylinositol 3,4,5-trisphosphate + H2O 3.1.3.78 phosphatidylinositol 4,5-bisphosphate + H2O 3.1.3.78 phosphatidylinositol-4,5-bisphosphate + H2O