<unk>  or<unk>  1,4,5-trisphosphate (also commonly known as triphosphoinositol; abbreviated<unk>  or<unk> , together with diacylglycerol, is a second messenger molecule used in signal transduction in biological cells. It is made by hydrolysis of phosphatidylinositol 4,5-bisphosphate (PIP2), a phospholipid that is located in the plasma membrane, by phospholipase C.
Inositol triphosphate
Adenosine triphosphate
Cyclic adenosine monophosphate
Calmodulin
Adenosine diphosphate
Sodium phosphates
Uridine triphosphate
Phosphocreatine