| EC |
3.1.3.26 |
| Accepted name: |
4-phytase |
| Reaction: |
myo-inositol hexakisphosphate + H2O = 1D-myo-inositol 1,2,3,5,6-pentakisphosphate + phosphate |
| Other name(s): |
6-phytase (name based on 1L-numbering system and not 1D-numbering); phytase; 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: |
BRENDA, EXPASY, KEGG, MetaCyc, PDB, CAS registry number: 9001-89-2 |
| References: |
| 1. |
Johnson, L.F. and Tate, M.E. The structure of myo-inositol pentaphosphates. Ann. N.Y. Acad. Sci. 165 (1969) 526–532. [DOI] [PMID: 4310376] |
| 2. |
Tomlinson, R.V. and Ballou, C.E. Myoinositol polyphosphate intermediates in the dephosphorylation of phytic acid by phytase. Biochemistry 1 (1962) 166–171. [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 (1973) 316–328. [DOI] [PMID: 4349266] |
| 4. |
Cosgrove, D.J. Inositol Phosphates: Their Chemistry, Biochemistry, and Physiology, Elsevier, Amsterdam, 1980. |
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| [EC 3.1.3.26 created 1972, modified 1976, modified 2002] |
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