Phosphatidylinositol-3,4,5-trisphosphate 3-phosphatase
- Phosphatidylinositol-3,4,5-trisphosphate 3-phosphatase
In enzymology, a phosphatidylinositol-3,4,5-trisphosphate 3-phosphatase (EC number|3.1.3.67) 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.
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Gene Ontology (GO) codes
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