The Enzyme Database

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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. [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. [PMID: 4349266]
4.  Cosgrove, D.J. Inositol Phosphates: Their Chemistry, Biochemistry, and Physiology, Elsevier, Amsterdam, 1980.
[EC 3.1.3.26 created 1972, modified 1976, modified 2002]
 
 


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