of the three common inositol-containing lipids found in the plasma membrane , phosphatidylinositol ( 4,5 ) -bisphosphate is hydrolyzed to give diacylglycerol , which stimulates protein kinase c , and inositol 1,4,5-trisphosphate , which diffuses into the cell to release intracellular calcium .
C0007603
plasma membrane
C0007634
cell