PIP2 secondary message system – Video Lecture

PIP2 secondary message system

 This video lecture on PIP2 secondary message system has been provided by: Prep4step

Phosphatidylinositol 4,5-bisphosphate or PtdIns(4,5)P2, also known simply as PIP2, is a minor phospholipid component of cell membranes. PtdIns(4,5)P2 is enriched at the plasma membrane where it is a substrate for a number of important signaling proteins.
PtdIns(4,5)P2 is formed primarily by the type I phosphatidylinositol 4 phosphate 5 kinases from PI(4)P.
The fatty acids of PIP2 are variable in different species and tissues, but studies show the most common fatty acids are stearic in position 1 and arachidonic in 2.

 

Phosphatidylinositol 4,5-bisphosphate

 

 

Resources:
http://en.wikipedia.org/wiki/Phosphatidylinositol_4,5-bisphosphate

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