EC - Inositol-tetrakisphosphate 5-kinase

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IntEnz Enzyme Nomenclature


Accepted name:
inositol-tetrakisphosphate 5-kinase
Other name:
1D-myo-inositol-tetrakisphosphate 5-kinase
Systematic name:
ATP:1D-myo-inositol-1,3,4,6-tetrakisphosphate 5-phosphotransferase



The enzyme from plants and yeast can also use Ins(1,2,3,4,6)P5 as a substrate [2].

Links to other databases

Enzymes and pathways: NC-IUBMB , BRENDA , ExplorEnz , ENZYME@ExPASy , KEGG , MetaCyc , UniPathway
Structural data: CSA , EC2PDB
Gene Ontology: GO:0047326 , GO:0102732
CAS Registry Number: 123940-40-9


  1. Shears, S.B.
    The pathway of myo-inositol 1,3,4-trisphosphate phosphorylation in liver. Identification of myo-inositol 1,3,4-trisphosphate 6-kinase, myo-inositol 1,3,4-trisphosphate 5-kinase, and myo-inositol 1,3,4,6-tetrakisphosphate 5-kinase.
    J. Biol. Chem. 264 : 19879-19886 (1989). [PMID: 2584198]
  2. Stevenson-Paulik, J., Odom, A.R. and York, J.D.
    Molecular and biochemical characterization of two plant inositol polyphosphate 6-/3-/5-kinases.
    J. Biol. Chem. 277 : 42711-42718 (2002). [PMID: 12226109]

[EC created 1992]