Hesperidin 6-O-alpha-L-rhamnosyl-beta-D-glucosidase
class of enzymes
Hesperidin 6-O-alpha-L-rhamnosyl-beta-D-glucosidase (EC 3.2.1.168) is an enzyme with systematic name hesperetin 7-(6-O-alpha-L-rhamnopyranosyl-beta-D-glucopyranoside) 6-O-alpha-rhamnopyranosyl-beta-glucohydrolase. It catalyses the following chemical reaction
The enzyme characterised from Stilbella fimetaria removes the rutinose glycoside unit (shown in its aldehydo form) from hesperidin, to give the flavone hesperetin. It exhibits high specificity towards 7-O-linked flavonoid beta-rutinosides.
The enzyme is produced by the fungus Acremonium sp. DSM24697. The genera Acremonium and morphologically similar Stilbella have not yet been fully studied on a molecular basis. Under the morphological basis, the fungus Stilbella fimetaria SES201 was reidentified as Acremonium sp. SES201 = DSM24697.
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This entry incorporates text from “Hesperidin 6-O-alpha-L-rhamnosyl-beta-D-glucosidase” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.