Diphosphoinositol-polyphosphate diphosphatase
| Diphosphoinositol-polyphosphate diphosphatase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 3.6.1.52 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
|
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In enzymology, a diphosphoinositol-polyphosphate diphosphatase (EC 3.6.1.52) is an enzyme that catalyzes the chemical reaction
- diphospho-myo-inositol polyphosphate + H2O
myo-inositol polyphosphate + phosphate
Thus, the two substrates of this enzyme are diphospho-myo-inositol polyphosphate and H2O, whereas its two products are myo-inositol polyphosphate and phosphate.
This enzyme belongs to the family of hydrolases, specifically those acting on acid anhydrides in phosphorus-containing anhydrides. The systematic name of this enzyme class is diphospho-myo-inositol-polyphosphate diphosphohydrolase. Other names in common use include diphosphoinositol-polyphosphate phosphohydrolase, and DIPP.
Structural studies
As of late 2007, 3 structures have been solved for this class of enzymes, with PDB accession codes 2DUK, 2FVV, and 2Q9P.
References
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