Inositol-pentakisphosphate 2-kinase
| Inositol-pentakisphosphate 2-kinase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 2.7.1.158 | ||||||||
| 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, an inositol-pentakisphosphate 2-kinase (EC 2.7.1.158) is an enzyme that catalyzes the chemical reaction
- ATP + 1D-myo-inositol 1,3,4,5,6-pentakisphosphate
ADP + 1D-myo-inositol hexakisphosphate
Thus, the two substrates of this enzyme are ATP and 1D-myo-inositol 1,3,4,5,6-pentakisphosphate, whereas its two products are ADP and 1D-myo-inositol hexakisphosphate.
This enzyme belongs to the family of transferases, specifically those transferring phosphorus-containing groups (phosphotransferases) with an alcohol group as acceptor. The systematic name of this enzyme class is ATP:1D-myo-inositol 1,3,4,5,6-pentakisphosphate 2-phosphotransferase. Other names in common use include IP5 2-kinase, Gsl1p, Ipk1p, inositol polyphosphate kinase, inositol 1,3,4,5,6-pentakisphosphate 2-kinase, and Ins(1,3,4,5,6)P5 2-kinase.
References
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