1.1.99.28: glucose-fructose oxidoreductase
This is an abbreviated version!
For detailed information about glucose-fructose oxidoreductase, go to the full flat file.
Word Map on EC 1.1.99.28
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1.1.99.28
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zymomonas
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mobilis
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sorbitol
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gluconic
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lactobionic
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nadp-containing
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gluconolactonase
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d-xylose
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1,5-anhydro-d-fructose
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synthesis
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dihydrodiol
- 1.1.99.28
- zymomonas
- mobilis
- sorbitol
-
gluconic
-
lactobionic
-
nadp-containing
- gluconolactonase
- d-xylose
- 1,5-anhydro-d-fructose
- synthesis
-
dihydrodiol
Reaction
Synonyms
EC 1.1.1.99, GFOD2, GFOR, glucose fructose oxidoreductase, glucose-fructose oxidoreductase, glucose-fructose oxidoreductase domain containing 2, Glucose-fructose transhydrogenase, NADP(H)-dependent glucose-fructose oxidoreductase, Transhydrogenase, glucose-fructose
ECTree
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General Stability
General Stability on EC 1.1.99.28 - glucose-fructose oxidoreductase
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enzyme activity loss in pineapple juice is even stronger (18%) than in 0.5 M sugar solution
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glucose-fructose oxidoreductase (GFOR)/glucono-delta-lactonase (GL) enzyme complex immobilized on Ca-alginate is stable for at least 23 cycles
guanidinium hydrochloride inactivates by induction of structural transitions that are comparable to that observed during substrate turnover. This leads to time-dependent formation of high-order associates and consequently inactivation
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in absence of substrates or in presence of only one substrate, either fructose or glucose, the enzyme is fully stable
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inactivation during substrate turnover. The process of inactivation is triggered by structural transitions that are induced by the lactone product and involves aggregation as the ultimate cause of irreversible inactivation
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the interaction of the enzyme with the aldonolactone product triggers a sequential process that affects the protein structure conformationally and chemically and, ultimately, results in an irreversible loss of activity
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thiol reagents stabilize. Dithiothreitol is the most efficient, 5-15 mM
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urea, 1.0 M, prevents the formation of high-order associates and increases the half-life under operational conditions 10fold
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