Phosphatidylinositol consists of a family of lipids as illustrated on the right, a class of the phosphatidylglycerides. In such molecules the isomer of the inositol group is assumed to be the myo- conformer unless otherwise stated. Typically phosphatidylinositols form a minor component on the cytosolic side of eukaryotic cell membranes. The phosph...
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http://en.wikipedia.org/wiki/Phosphatidylinositol
[3,4,5] Phosphatidylinositol (3,4,5)-trisphosphate (PtdIns(3,4,5)P3), abbreviated PIP3, is the product of the class I phosphoinositide 3-kinases (PI 3-kinases) phosphorylation of phosphatidylinositol (4,5)-bisphosphate (PIP2). It is a phospholipid that resides on the plasma membrane. ==Discovery== In the mid-1980s, Lewis C. Cantley publishe...
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http://en.wikipedia.org/wiki/Phosphatidylinositol_(3,4,5)-trisphosphate
(from the article `chemical compound`) Some typical phospholipids include phosphatidylserine, phosphatidylinositol, phosphatidylethanolamine, and phosphatidylglycerol. In each compound, ... ...by a specific enzyme, CMP is displaced from CDP-diglyceride by one of three compounds—serine, inositol, or glycerol 1-phosphate—to form...
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http://www.britannica.com/eb/a-z/p/59
<biochemistry> A phosphatidic acid combined with inositol found in biomembranes and a precursor to certain cellular signals. Sometimes referred to as inositide. ... It is a very important minor phospholipid in eukaryotes, involved in signal transduction processes. Contains myo inositol linked through the 1 hydroxyl group to phosphatidic acid....
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http://www.encyclo.co.uk/local/20973
(PtdIns) Type: Term Pronunciation: fos′fă-tī′dĭl-in-ō′si-tol Definitions: 1. A phosphatidic acid combined with inositol found in biomembranes and a precursor to certain cellular signals. Sometimes referred to as inositide. Synonyms: phosphoinositide
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http://www.medilexicon.com/medicaldictionary.php?t=68432
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