Quercitrinase
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The enzyme quercitrinase (EC, formerly 3.2.1.66) catalyzes the following chemical reaction:
quercitrin + H2O ⇌ {\displaystyle \rightleftharpoons } L-rhamnose + quercetin
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. It is an enzyme in the rutin catabolic pathway.
Further reading
- Westlake DWS (1963). "Microbiological degradation of quercitrin". Can. J. Microbiol. 9 (2): 211–220. doi:.