PI5P is phosphorylated to PI(4,5)P2 by PIP4K2 dimers in the nucleus
PI5P + ATP → ADP + PI(4,5)P2
- Reactome
- R-HSA-6811522
- Compartment
- nucleoplasm
- Rhea
- RHEA:12281
Inputs
- PI5PCHEBI:57795, C11H15O16P2R2, nucleoplasm
- ATPCHEBI:30616, C10H12N5O13P3, nucleoplasm
Outputs
- ADPCHEBI:456216, C10H12N5O10P2, nucleoplasm
- PI(4,5)P2CHEBI:58456, C11H14O19P3R2, nucleoplasm
Catalysed by
- 1-phosphatidylinositol-5-phosphate 4-kinase activity of PIP4K2 dimers [nucleoplasm]EC 2.7.1.149
Literature
- Nuclear PtdIns5P as a transducer of stress signaling: an in vivo role for PIP4Kbeta Mol. Cell, 2006
- Nuclear targeting of the beta isoform of type II phosphatidylinositol phosphate kinase (phosphatidylinositol 5-phosphate 4-kinase) by its alpha-helix 7 Biochem. J., 2000
- PIP4Kbeta interacts with and modulates nuclear localization of the high-activity PtdIns5P-4-kinase isoform PIP4Kalpha Biochem. J., 2010