D-myo-Inositol-1,4,5-trisphosphate hexapotassium salt is a second messenger produced in cells that signals the release of Ca2+.
D-MYO-INOSITOL 1,4,5-TRISPHOSPHATE HEXAPOTASSIUM SALT is a second messenger produced in cells by phospholipase C (PLC) mediated hydrolysis of phosphatidyl inositol-4,5-biphosphate. It binds to one of several Ins(1,4,5)P3 receptors, each containing a calcium channel domain. Binding of Ins(1,4,5)P3 to the receptor results in opening of the calcium channels and an increase in intracellular calcium.