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.
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Introduction to Chemical Biology 128. Lecture 14. Glycobiology.
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Properties of Active Sites, Lock-and-Key Model and Induced-Fit Model
Transcription
Nomenclature
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
- 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.
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