I(1,3,4,6)P4 is phosphorylated to I(1,3,4,5,6)P5 by IPMK in the nucleus
I(1,3,4,6)P4 + ATP → I(1,3,4,5,6)P5 + ADP + H+
- Reactome
- R-HSA-1855228
- Compartment
- nucleoplasm
- Rhea
- RHEA:12718
Inputs
- I(1,3,4,6)P4CHEBI:57660, C6H8O18P4, nucleoplasm
- ATPCHEBI:30616, C10H12N5O13P3, nucleoplasm
Outputs
- I(1,3,4,5,6)P5CHEBI:57733, C6H7O21P5, nucleoplasm
- ADPCHEBI:456216, C10H12N5O10P2, nucleoplasm
- H+CHEBI:15378, H, nucleoplasm
Catalysed by
- inositol-1,3,4,6-tetrakisphosphate 5-kinase activity of IPMK [nucleoplasm]EC 2.7.1.140; UniProt Q8NFU5
Literature
- The human homolog of the rat inositol phosphate multikinase is an inositol 1,3,4,6-tetrakisphosphate 5-kinase J Biol Chem, 2002
- Inositol polyphosphate multikinase regulates inositol 1,4,5,6-tetrakisphosphate Biochem Biophys Res Commun, 2006