Biology:3-phytase
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Short description: Class of enzymes
The enzyme 3-phytase (EC 3.1.3.8) catalyzes the reaction[1][2]
- myo-inositol hexakisphosphate + H2O = 1D-myo-inositol 1,2,4,5,6-pentakisphosphate + phosphate
myo-Inositol hexakisphosphate is also known as phytic acid.
These enzymes belongs to the family of hydrolases, specifically those acting on phosphoric monoester bonds. The systematic name myo-inositol-hexakisphosphate 3-phosphohydrolase. Other names in common use include 1-phytase, phytate 1-phosphatase, phytate 3-phosphatase, and phytate 6-phosphatase.[1]
Enzymes of this type participate in inositol phosphate metabolism.
Structural studies
As of late 2007, 12 structures have been solved for this class of enzymes, with PDB accession codes 1CVM, 1IHP, 1POO, 1QFX, 1QLG, 1QWO, 1SK8, 1SK9, 1SKA, 1SKB, 2GFI, and 2POO.
See also
- 4-phytase (6-phytase)
- 5-phytase
- Protein tyrosine phosphatase
References
- ↑ 1.0 1.1 "ENZYME entry 3.1.3.8" (in en-US). https://enzyme.expasy.org/EC/3.1.3.8.
- ↑ "The term phytase comprises several different classes of enzymes". Biochemical and Biophysical Research Communications 312 (1): 179–84. December 2003. doi:10.1016/j.bbrc.2003.09.176. PMID 14630039.
Original source: https://en.wikipedia.org/wiki/3-phytase.
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