1.2.5.1: pyruvate dehydrogenase (quinone)
This is an abbreviated version!
For detailed information about pyruvate dehydrogenase (quinone), go to the full flat file.
Word Map on EC 1.2.5.1
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1.2.5.1
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corynebacterium
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glutamicum
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flavoprotein
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fed-batch
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thiamin
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acetohydroxyacid
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transaminase
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volumetric
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2-ketoisovalerate
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isomeroreductase
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l-valine
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ilvbncd
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dihydroxyacid
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l-lactate
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transhydrogenase
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pta-acka
- 1.2.5.1
-
corynebacterium
- glutamicum
- flavoprotein
-
fed-batch
- thiamin
-
acetohydroxyacid
- transaminase
-
volumetric
- 2-ketoisovalerate
-
isomeroreductase
- l-valine
-
ilvbncd
-
dihydroxyacid
- l-lactate
-
transhydrogenase
-
pta-acka
Reaction
Synonyms
EC 1.2.2.2, ECPOX, POX, poxB, POXEC, pqo, pyruvate (quinone) dehydrogenase, pyruvate oxidase, pyruvate oxidase B, pyruvate:quinone oxidoreductase, pyruvate:ubiquinone-8-oxidoreductase, ubiquinione-dependent pyruvate oxidase, ubiquinone-dependent pyruvate oxidase
ECTree
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Engineering
Engineering on EC 1.2.5.1 - pyruvate dehydrogenase (quinone)
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A533T
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in native gel electrophoresis, mutant enzymes show differing electrophoretic mobilities. A533T mobility is similar to wild-type, and slower than Y549Term
A553V
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in native gel electrophoresis, mutant enzymes show differing electrophoretic mobilities. A553V mobility is similar to wild-type, and slower than Y549Term
E564P
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in native gel electrophoresis, mutant enzymes show differing electrophoretic mobilities. E564P has the slowest mobilityamong the mutants tested
R572E
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in native gel electrophoresis, mutant enzymes show differing electrophoretic mobilities. R572E has the fastest mobility among the mutants tested
R572G
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in native gel electrophoresis, mutant enzymes show differing electrophoretic mobilities. R572G shows a midway mobility
R572K
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in native gel electrophoresis, mutant enzymes show differing electrophoretic mobilities. R572K mobility is similar to wild-type, and slower than Y549Term
R572Term
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deletion of last amino acid. In native gel electrophoresis, mutant enzymes show differing electrophoretic mobilities. R572Term shows a midway mobility
W570Term
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deletion of last three amino acids. In native gel electrophoresis, mutant enzymes show differing electrophoretic mobilities.. W570Term shows a midway mobility
Y549Term
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deletion of last 24 amino acids. In native gel electrophoresis, mutant enzymes show differing electrophoretic mobilities.. Y549Term shows a midway mobility
A467T
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mutant poxB4 is deficient in lipid activation. Mutation is located in the C-terminal half of the gene. The difference between poxB3 and poxB4 is the binding of Triton detergents
S536P
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mutant poxB3 is deficient in lipid activation but retains full catlytic activity. Mutation is located in the C-terminal half of the gene. The difference between poxB3 and poxB4 is the binding of Triton detergents
additional information
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expression of a truncated gene lacking the last 24 amino acids of the C-terminus, thus being closely analogous to the activated species produced in vitro by limited chymotrypsin cleavage. The truncated protein is fully active in vitro in the absence of lipid, and its activity is not further increased by addition of lipid activators. The truncated enzyme fails to bind Triton X-114. Strains producing the truncated protein are devoid of oxidase activity in vivo