Flavonol 3-sulfotransferase
In enzymology, a flavonol 3-sulfotransferase (EC 2.8.2.25) is an enzyme that catalyzes the chemical reaction
- 3'-phosphoadenylyl sulfate + flavonol adenosine 3',5'-bisphosphate + flavonol 3-sulfate
| flavonol 3-sulfotransferase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 2.8.2.25 | ||||||||
| CAS number | 121855-10-5 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| Gene Ontology | AmiGO / QuickGO | ||||||||
| |||||||||
Thus, the two substrates of this enzyme are 3'-phosphoadenylyl sulfate and a flavonol, whereas its two products are adenosine 3',5'-bisphosphate and flavonol 3-sulfate. A specific examples of a flavonol that can act as a substrate is quercetin.[1]
This enzyme belongs to the family of transferases termed the sulfotransferases, which transfer sulfate groups. The systematic name of this enzyme class is 3'-phosphoadenylyl-sulfate:flavonol 3-sulfotransferase.
References
- Varin L, Ibrahim RK (July 1989). "Partial Purification and Characterization of Three Flavonol-Specific Sulfotransferases from Flaveria chloraefolia". Plant Physiology. 90 (3): 977–81. doi:10.1104/pp.90.3.977. PMC 1061831. PMID 16666908.
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