I(1,3,4,5)P4 is dephosphorylated to I(1,4,5)P3 by MINPP1 in the ER lumen
I(1,3,4,5)P4 + H2O → I(1,4,5)P3 + Pi
- Reactome
- R-HSA-1855200
- Compartment
- endoplasmic reticulum lumen
- Rhea
- RHEA:77156
Inputs
- I(1,3,4,5)P4CHEBI:57895, C6H8O18P4, endoplasmic reticulum lumen
- H2OCHEBI:15377, H2O, endoplasmic reticulum lumen
Outputs
- I(1,4,5)P3CHEBI:203600, C6H9O15P3, endoplasmic reticulum lumen
- PiCHEBI:43474, HO4P, endoplasmic reticulum lumen
Catalysed by
- inositol-1,3,4,5-tetrakisphosphate 3-phosphatase activity of MINPP1 [endoplasmic reticulum lumen]UniProt Q9UNW1
Literature
- The human and rat forms of multiple inositol polyphosphate phosphatase: functional homology with a histidine acid phosphatase up-regulated during endochondral ossification FEBS Lett, 1999
- Multiple inositol polyphosphate phosphatase: evolution as a distinct group within the histidine phosphatase family and chromosomal localization of the human and mouse genes to chromosomes 10q23 and 19 Genomics, 1999