1.1.3.10: pyranose oxidase
This is an abbreviated version!
For detailed information about pyranose oxidase, go to the full flat file.
Word Map on EC 1.1.3.10
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1.1.3.10
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trametes
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multicolor
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1,4-benzoquinone
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chrysosporium
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phanerochaete
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white-rot
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nivale
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microdochium
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l-sorbose
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aldopyranoses
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synthesis
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1,5-anhydro-d-glucitol
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flavinylated
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ligninolytic
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ochracea
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glucose-methanol-choline
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1,5-anhydroglucitol
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peniophora
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c4a-hydroperoxyflavin
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biotechnology
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food industry
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energy production
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biofuel production
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analysis
- 1.1.3.10
- trametes
- multicolor
- 1,4-benzoquinone
- chrysosporium
- phanerochaete
-
white-rot
- nivale
-
microdochium
- l-sorbose
- aldopyranoses
- synthesis
- 1,5-anhydro-d-glucitol
-
flavinylated
-
ligninolytic
- ochracea
-
glucose-methanol-choline
- 1,5-anhydroglucitol
- peniophora
-
c4a-hydroperoxyflavin
- biotechnology
- food industry
- energy production
- biofuel production
- analysis
Reaction
Synonyms
C-2 specific pyranose-2-oxidase, carbohydrate oxidase, glucose 2-oxidase, glucose-2-oxidase, P2O, P2Ox, POX, PROD, PyOx, pyranose 2-Oxidase, pyranose oxidase, pyranose-2-oxidase, pyranose/oxygen 2-oxidoreductase, pyranose: oxygen 2-oxidoreductase, pyranose:oxygen 2-oxidoreductase, pyranose:oxygen-2-oxidoreductase, TmP2Ox
ECTree
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Reaction
Reaction on EC 1.1.3.10 - pyranose oxidase
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D-glucose + O2 = 2-dehydro-D-glucose + H2O2
investigation of the reaction mechanism by determining the rate constants
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D-glucose + O2 = 2-dehydro-D-glucose + H2O2
highly regioselective mechanism, overview. The different conformations of the 454FSY456 gating segment in the semiopen and closed states induce backbone and side-chain movements of Thr169 and Asp452 that add further differential stabilization to the individual states
D-glucose + O2 = 2-dehydro-D-glucose + H2O2
ping pong bi bi reaction mechanism, sugar oxidation and flavin reduction activation and mechanism, regiospecificity and selectivity of sugar oxidation, overview. The 2-oxo-sugar product is released prior to the oxygen reaction, overview. The enzyme shows a hydride transfer mechanism in which there is stepwise formation of D-glucose alkoxide prior to the hydride transfer, and a C4a-hydroperoxyflavin as an intermediate during the oxidative half-reaction, the C4a-hydroperoxyflavin merely eliminates H2O2 to generate oxidized FAD. The breakage of the flavin N (5)-H bond controls the overall process of H2O2 elimination from C4a-hydroperoxyflavin
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D-glucose + O2 = 2-dehydro-D-glucose + H2O2
ping pong bi bi reaction mechanism, the catalytic reaction of P2O can be divided into a reductive half-reaction in which two electrons are transferred as a hydride equivalent from a sugar substrate to a flavin to generate reduced FAD and a 2-oxo-sugar, and an oxidative half-reaction in which two electrons are transferred from the reduced flavin to oxygen to form hydrogen peroxide, formation of C(4a)-hydroperoxyflavin was observed during enzyme turnovers, overview
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D-glucose + O2 = 2-dehydro-D-glucose + H2O2
ping-pong reaction mechanism, but change in the enzyme kinetic mechanism from a ping-pong type mechanism at pH values below 7.0 to a ternary complex type mechanism at pH values above 7.0. The switching of reaction mechanism from the ping-pong to the ternary complex type may be resulting from the change of structural dynamics of the substrate loop in the T169A mutant or at higher pH values, overview
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D-glucose + O2 = 2-dehydro-D-glucose + H2O2
the enzyme shows a ping pong bi bi mechanism, a specialised bi bi mechanism in which substrate binding and release of products are ordered and the enzyme shuttles between a free and a substrate-modified intermediate conformation
D-glucose + O2 = 2-dehydro-D-glucose + H2O2
the enzyme shows a ping pong bi bi mechanism, a specialised bi bi mechanism in which substrate binding and release of products are ordered and the enzyme shuttles between a free and a substrate-modified intermediate conformation
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