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Phosphatidylinositol-3,4,5-trisphosphate 3-phosphatase : ウィキペディア英語版 | Phosphatidylinositol-3,4,5-trisphosphate 3-phosphatase
In enzymology, a phosphatidylinositol-3,4,5-trisphosphate 3-phosphatase () is an enzyme that catalyzes the chemical reaction :phosphatidylinositol 3,4,5-trisphosphate + H2O phosphatidylinositol 4,5-bisphosphate + phosphate Thus, the two substrates of this enzyme are phosphatidylinositol 3,4,5-trisphosphate and H2O, whereas its two products are phosphatidylinositol 4,5-bisphosphate and phosphate. This enzyme belongs to the family of hydrolases, specifically those acting on phosphoric monoester bonds. The systematic name of this enzyme class is 1-phosphatidyl-1D-myo-inositol-3,4,5-trisphosphate 3-phosphohydrolase. Other names in common use include PTEN, MMAC1, and phosphatidylinositol-3,4,5-trisphosphate 3-phosphohydrolase. This enzyme participates in 10 metabolic pathways: inositol phosphate metabolism, phosphatidylinositol signaling system, p53 signaling pathway, focal adhesion, tight junction, endometrial cancer, glioma, prostate cancer, melanoma, and small cell lung cancer. It employs one cofactor, magnesium. ==References==
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