has abstract
| - In enzymology, a cyanohydrin beta-glucosyltransferase (EC 2.4.1.85) is an enzyme that catalyzes the chemical reaction UDP-D-glucose + (S)-4-hydroxymandelonitrile UDP + (S)-4-hydroxymandelonitrile beta-D-glucoside Thus, the two substrates of this enzyme are UDP-D-glucose and , whereas its two products are UDP and . This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is UDP-D-glucose:(S)-4-hydroxymandelonitrile beta-D-glucosyltransferase. Other names in common use include uridine diphosphoglucose-p-hydroxymandelonitrile, glucosyltransferase, UDP-glucose-p-hydroxymandelonitrile glucosyltransferase, uridine diphosphoglucose-cyanohydrin glucosyltransferase, uridine diphosphoglucose:aldehyde cyanohydrin, beta-glucosyltransferase, UDP-glucose:(S)-4-hydroxymandelonitrile beta-D-glucosyltransferase, UGT85B1, and UDP-glucose:p-hydroxymandelonitrile-O-glucosyltransferase. This enzyme participates in tyrosine metabolism and . (en)
- La cianoidrina beta-glucosiltransferasi è un enzima appartenente alla classe delle transferasi, che catalizza la seguente reazione: UDP-D-glucosio + (S)-4-idrossimandelonitrile ⇄ UDP + (S)-4-idrossimandelonitrile β-D-glucoside L'enzima agisce su un ampio raggio di substrati in vitro, tra i quali le cianoidrine, terpenoidi, derivati fenolicie dell'esanolo, ed ormoni delle piante, in un modo [3]. È coinvolto nella biosintesi del glucoside cianogenico nel sorgo, assieme alla tirosina N-monoossigenasi (numero EC 1.14.13.41) ed alla 4-idrossifenilacetaldeide ossime monoossigenasi (numero EC 1.14.13.68) .Questa reazione impedisce la dissociazione ed il rilascio del tossico cianuro di idrogeno[3]. (it)
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