The phosphatidylinositol (PtdIns) phosphates represent a small percentage of total membrane phospholipids. However, they play a critical role in the generation and transmission of cellular signals.1,2 PtdIns-
1.Exton, J.H.Regulation of phosphoinositide phospholipases by hormones, neurotransmitters, and other agonists linked to G proteinsAnnu. Rev. Pharmacol. Toxicol.36481-509(1996) 2.Majerus, P.W.Inositol phosphate biochemistryAnnu. Rev. Biochem.61225-250(1992)
















