I(1,3,4,5)P4 is dephosphorylated to I(1,3,4)P3 by INPP5B at the plasma membrane
I(1,3,4,5)P4 + H2O → I(1,3,4)P3 + Pi
- Reactome
- R-HSA-1855213
- Compartment
- plasma membrane · cytosol
- Rhea
- RHEA:11393
Inputs
- I(1,3,4,5)P4CHEBI:57895, C6H8O18P4, cytosol
- H2OCHEBI:15377, H2O, cytosol
Outputs
- I(1,3,4)P3CHEBI:58414, C6H9O15P3, cytosol
- PiCHEBI:43474, HO4P, cytosol
Catalysed by
- inositol-1,3,4,5-tetrakisphosphate 5-phosphatase activity of Inositol polyphosphate 5-phosphatase [plasma membrane]EC 3.1.3.56
Literature
- Properties of type II inositol polyphosphate 5-phosphatase J Biol Chem, 1995
- Cloning and expression of human 75-kDa inositol polyphosphate-5-phosphatase J Biol Chem, 1991
- Type II phosphoinositide 5-phosphatases have unique sensitivities towards fatty acid composition and head group phosphorylation FEBS Lett, 2004