Phosphatidylinositol 4,5-Bisphosphate (PIP2)

PIP2 is a glycerophospholipid that is acted upon by the enzyme phospholipase C to yield sn-1,2-diacylglycerol (DAG) and inositol 1,4,5-trisphosphate (InsP3). Both of these compounds act as second messengers in signal transduction.


See also: Figure 23.14, Second Messenger Systems


INTERNET LINKS:

1. Neurochemistry and Second Messenger Functions

2. Second Messenger Cascades