Quercitrinase
In enzymology, a quercitrinase (EC 3.2.1.66) is an enzyme that catalyzes the chemical reaction
- quercitrin + H2O L-rhamnose + quercetin
| quercitrinase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 3.2.1.66 | ||||||||
| CAS number | 37288-47-4 | ||||||||
| 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 quercitrin and H2O, whereas its two products are L-rhamnose and quercetin.
This enzyme belongs to the family of hydrolases, specifically those glycosidases that hydrolyse O- and S-glycosyl compounds. The systematic name of this enzyme class is quercitrin 3-L-rhamnohydrolase.
The enzyme can be found in Aspergillus flavus.[1] It is an enzyme in the rutin catabolic pathway.[2]
References
- "EC 3.2.1.66 - quercitrinase". Brenda, The Comprehensive Enzyme Information System. Technische Universitat Braunschweig. Retrieved 2011-12-25.
- Tranchimand S, Brouant P, Iacazio G (November 2010). "The rutin catabolic pathway with special emphasis on quercetinase". Biodegradation. 21 (6): 833–59. doi:10.1007/s10532-010-9359-7. PMID 20419500.
Further reading
- Westlake DWS (1963). "Microbiological degradation of quercitrin". Can. J. Microbiol. 9 (2): 211–220. doi:10.1139/m63-027.
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