PI is phosphorylated to PI3P by PIK3C2A/3 at the early endosome membrane
ATP + PI → ADP + PI3P
- Reactome
- R-HSA-1675939
- Compartment
- early endosome membrane · cytosol
- Rhea
- RHEA:12709
Inputs
- ATPCHEBI:30616, C10H12N5O13P3, cytosol
- PICHEBI:57880, C11H16O13PR2, early endosome membrane
Outputs
- ADPCHEBI:456216, C10H12N5O10P2, cytosol
- PI3PCHEBI:58088, C11H15O16P2R2, early endosome membrane
Catalysed by
- 1-phosphatidylinositol-3-kinase activity of PIK3C2A/3 [cytosol]EC 2.7.1.137
Literature
- The class II phosphoinositide 3-kinase PI3K-C2alpha is concentrated in the trans-Golgi network and present in clathrin-coated vesicles J Biol Chem, 2000
- Class II phosphoinositide 3-kinases are downstream targets of activated polypeptide growth factor receptors Mol Cell Biol, 2000
- Characterization of p150, an adaptor protein for the human phosphatidylinositol (PtdIns) 3-kinase. Substrate presentation by phosphatidylinositol transfer protein to the p150.Ptdins 3-kinase complex J Biol Chem, 1997
- A human phosphatidylinositol 3-kinase complex related to the yeast Vps34p-Vps15p protein sorting system EMBO J, 1995
- Myotubularin lipid phosphatase binds the hVPS15/hVPS34 lipid kinase complex on endosomes Traffic, 2007