Phosphatidylinositol 3-phosphate (PtdIns3P) is a phospholipid found in cell membranes that helps to recruit a range of proteins, many of which are involved in protein trafficking, to the membranes. It is the product of both the class II and III phosphoinositide 3-kinases (PI 3-kinases) activity on phosphatidylinositol. PtdIns3P is dephosphorylated by the myotubularin family of phosphatases, on the D3 position of the inositol ring, and can be converted to PtdIns(3,5)P2 by the lipid kinase PIKfyve.
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| - Phosphatidylinositol-3-phosphate (fr)
- Phosphatidylinositol 3-phosphate (en)
- Фосфатидилинозитол-3-фосфат (ru)
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| - Un phosphatidylinositol-3-phosphate (abrégé PtdIns(3)P ou PI3P) est l'une des sept classes de phosphoinositides des membranes cellulaires des eucaryotes, c'est-à-dire un dérivé phosphorylé de phosphatidylinositols. Ces composés sont issus de l'action des phosphoinositide 3-kinases de classes II et III sur des phosphatidylinositols.
* Portail de la chimie
* Portail de la biochimie (fr)
- Фосфатидилинозитол-3-фосфат (англ. Phosphatidylinositol 3-phosphate, PtdIns3P) — фосфолипид, продукт фосфорилирования внутриклеточного фосфатидилинозитола в положении 3' (D3) инозитольного кольца. (ru)
- Phosphatidylinositol 3-phosphate (PtdIns3P) is a phospholipid found in cell membranes that helps to recruit a range of proteins, many of which are involved in protein trafficking, to the membranes. It is the product of both the class II and III phosphoinositide 3-kinases (PI 3-kinases) activity on phosphatidylinositol. PtdIns3P is dephosphorylated by the myotubularin family of phosphatases, on the D3 position of the inositol ring, and can be converted to PtdIns(3,5)P2 by the lipid kinase PIKfyve. (en)
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| - Phosphatidylinositol-3-phosphate.svg (en)
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| OtherNames
| - sn-1-stearoyl-2-arachidonoyl phosphatidylinositol 3-phosphate (en)
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| - Un phosphatidylinositol-3-phosphate (abrégé PtdIns(3)P ou PI3P) est l'une des sept classes de phosphoinositides des membranes cellulaires des eucaryotes, c'est-à-dire un dérivé phosphorylé de phosphatidylinositols. Ces composés sont issus de l'action des phosphoinositide 3-kinases de classes II et III sur des phosphatidylinositols.
* Portail de la chimie
* Portail de la biochimie (fr)
- Phosphatidylinositol 3-phosphate (PtdIns3P) is a phospholipid found in cell membranes that helps to recruit a range of proteins, many of which are involved in protein trafficking, to the membranes. It is the product of both the class II and III phosphoinositide 3-kinases (PI 3-kinases) activity on phosphatidylinositol. PtdIns3P is dephosphorylated by the myotubularin family of phosphatases, on the D3 position of the inositol ring, and can be converted to PtdIns(3,5)P2 by the lipid kinase PIKfyve. Both FYVE domains and PX domains – found in proteins such as SNX1, HGS, and EEA1 – bind to PtdIns3P. The majority of PtdIns3P appears to be constitutively synthesised by the class III PI 3-kinase, PIK3C3 (Vps34), at endocytic membranes. Class II PI 3-kinases also appear to synthesise PtdIns3P, their activity however appears to be regulated by a range of stimuli, including growth factors. This suggests that specific pools of PtdIns3P may be synthesised upon cell stimulation. (en)
- Фосфатидилинозитол-3-фосфат (англ. Phosphatidylinositol 3-phosphate, PtdIns3P) — фосфолипид, продукт фосфорилирования внутриклеточного фосфатидилинозитола в положении 3' (D3) инозитольного кольца. (ru)
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| - sn-1-stearoyl-2-arachidonoyl phosphatidylinositol 3-phosphate (en)
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