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Phosphatidylinositol-4-phosphate 3-kinase : ウィキペディア英語版 | Phosphatidylinositol-4-phosphate 3-kinase
In enzymology, a phosphatidylinositol-4-phosphate 3-kinase () is an enzyme that catalyzes the chemical reaction :ATP + 1-phosphatidyl-1D-myo-inositol 4-phosphate ADP + 1-phosphatidyl-1D-myo-inositol 3,4-bisphosphate Thus, the two substrates of this enzyme are ATP and 1-phosphatidyl-1D-myo-inositol 4-phosphate, whereas its two products are ADP and 1-phosphatidyl-1D-myo-inositol 3,4-bisphosphate. This enzyme belongs to the family of transferases, specifically those transferring phosphorus-containing groups (phosphotransferases) with an alcohol group as acceptor. The systematic name of this enzyme class is ATP:1-phosphatidyl-1D-myo-inositol-4-phosphate 3-phosphotransferase. Other names in common use include type II phosphoinositide 3-kinase, C2-domain-containing phosphoinositide 3-kinase, and phosphoinositide 3-kinase. This enzyme participates in phosphatidylinositol signaling system. ==Structural studies==
As of late 2007, 3 structures have been solved for this class of enzymes, with PDB accession codes , , and .
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