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Glucoside 3-dehydrogenase

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Glucoside 3-dehydrogenase
Identifiers
EC no.1.1.99.13
CAS no.9031-74-7
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In enzymology, a glucoside 3-dehydrogenase (EC 1.1.99.13) is an enzyme that catalyzes the chemical reaction

sucrose + acceptor 3-dehydro-alpha-D-glucosyl-beta-D-fructofuranoside + reduced acceptor

Thus, the two substrates of this enzyme are sucrose and acceptor, whereas its two products are 3-dehydro-alpha-D-glucosyl-beta-D-fructofuranoside and reduced acceptor.

This enzyme participates in galactose metabolism and starch and sucrose metabolism. It employs one cofactor, FAD.

Nomenclature

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This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with other acceptors. The systematic name of this enzyme class is D-aldohexoside:acceptor 3-oxidoreductase. Other names in common use include D-glucoside 3-dehydrogenase, D-aldohexopyranoside dehydrogenase, D-aldohexoside:cytochrome c oxidoreductase, D-glucoside 3-dehydrogenase, hexopyranoside-cytochrome c oxidoreductase, and D-aldohexoside:(acceptor) 3-oxidoreductase.

References

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  • Hayano K, Fukui S (August 1967). "Purification and properties of 3-ketosucrose-forming enzyme from the cells of Agrobacterium tumefaciens". The Journal of Biological Chemistry. 242 (16): 3655–72. PMID 6038493.