EC - 4-phytase

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IntEnz Enzyme Nomenclature


Accepted name:
Other names:
6-phytase (name based on 1L-numbering system and not 1D-numbering)
phytate 6-phosphatase
myo-inositol-hexakisphosphate 6-phosphohydrolase (name based on 1L-numbering system and not 1D-numbering)
Systematic name:
myo-inositol-hexakisphosphate 4-phosphohydrolase


Links to other databases

Enzymes and pathways: NC-IUBMB , BRENDA , ExplorEnz , ENZYME@ExPASy , KEGG , MetaCyc , UniPathway
Structural data: CSA , EC2PDB
Gene Ontology: GO:0008707
CAS Registry Number: 9001-89-2


  1. Johnson, L.F. and Tate, M.E.
    The structure of myo-inositol pentaphosphates.
    Ann. N.Y. Acad. Sci. 165: 526-532 (1969). [PMID: 4310376]
  2. Tomlinson, R.V. and Ballou, C.E.
    Myoinositol polyphosphate intermediates in the dephosphorylation of phytic acid by phytase.
    Biochemistry 1: 166-171 (1962). [PMID: 13921788]
  3. Lim, P.E. and Tate, M.E.
    The phytases. II. Properties of phytase fractions F1 and F2 from wheat bran and the myo-inositol phosphates produced by fraction F2.
    Biochim. Biophys. Acta 302: 316-328 (1973). [PMID: 4349266]
  4. Cosgrove, D.J.
    Inositol phosphates: their chemistry, biochemistry, and physiology, Elsevier, Amsterdam, 1980

[EC created 1972, modified 1976, modified 2002]