3.5.1.3: omega-amidase
This is an abbreviated version!
For detailed information about omega-amidase, go to the full flat file.
Word Map on EC 3.5.1.3
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3.5.1.3
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alpha-ketoglutaramate
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asparagine
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transamination
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ammonia
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oxaloacetate
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succinamate
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glutaminase
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transamidase
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analysis
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medicine
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biotechnology
- 3.5.1.3
- alpha-ketoglutaramate
- asparagine
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transamination
- ammonia
- oxaloacetate
- succinamate
- glutaminase
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transamidase
- analysis
- medicine
- biotechnology
Reaction
Synonyms
alpha-keto acid omega-amidase, alpha-keto acid-omega-amidase, amidase, omega, dicarboxylate omega-amidase, NIT2, Nit2/omega-amidase, nitrilase-like protein 2, omega-amidase, omega-amidase/Nit2, omega-amido dicarboxylate amidohydrolase, omega-amidodicarboxylate amidohydrolase
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Inhibitors
Inhibitors on EC 3.5.1.3 - omega-amidase
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dioxane
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up to 5% dioxane: no effect on hydrolysis of ethyl alpha-keto-glutarate or glutaramate, at 10% dioxane: slight, 5-10% inhibition
Glutaramate
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competitive inhibition, 10 mM glutaramate, hydrolysis of methyl alpha-ketoglutarate: 43% inhibition, hydrolysis of ethyl alpha-ketoglutarate: 34% inhibition
succinamate
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competitive inhibition, 5 mM succinamate, hydrolysis of methyl alpha-ketoglutarate: 57% inhibition, hydrolysis of ethyl alpha-ketoglutarate: 42% inhibition
5,5'-dithiobis-(2-nitrobenzoic acid)
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0.02 mM: complete inhibition; Ellman's reagent
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competitve inhibition, inhibits hydroxaminolysis of glutaramate and alpha-ketoglutaramate hydrolysis
NH4+
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biosynthesis of omega-amidase is repressed by free ammonium ions; biosynthesis of omega-amidase strongly repressed by ammonia, 0.001 M: 98% repression, 0.005 M: complete repression, ammonia has no effect on catalytic activity: succinyl hydroxamate formation
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amide and acyl transfer activity: no inhibition by high concentrations of hydroxylamine; no inhibition by EDTA
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additional information
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no or very slight inhibition by aminooxyacetic acid, AOA
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additional information
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no inhibition by 0.05 M methanol, ethanol, propanol, ethylamine, propylamine, butylamine, dimethylamine, dierhylamine and triethylamine; no inhibition by EDTA
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additional information
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amide and acyl transfer activity: no inhibition by high concentrations of hydroxylamine; no inhibition by EDTA
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