PI(3,5)P2 is dephosphorylated to PI3P by FIG4 at the late endosome membrane
H2O + PI(3,5)P2 → PI3P + Pi
- Reactome
- R-HSA-1676020
- Compartment
- late endosome membrane · cytosol
- Rhea
- RHEA:32955
Inputs
- H2OCHEBI:15377, H2O, cytosol
- PI(3,5)P2CHEBI:57923, C11H14O19P3R2, late endosome membrane
Outputs
- PI3PCHEBI:58088, C11H15O16P2R2, late endosome membrane
- PiCHEBI:43474, HO4P, cytosol
Catalysed by
- phosphatidylinositol-3,5-bisphosphate 5-phosphatase activity of PIKFYVE:VAC14:FIG4 [late endosome membrane]EC 3.1.3
Literature
- Core protein machinery for mammalian phosphatidylinositol 3,5-bisphosphate synthesis and turnover that regulates the progression of endosomal transport. Novel Sac phosphatase joins the ArPIKfyve-PIKfyve complex J Biol Chem, 2007
- ArPIKfyve homomeric and heteromeric interactions scaffold PIKfyve and Sac3 in a complex to promote PIKfyve activity and functionality J Mol Biol, 2008