3.2.2.3: uridine nucleosidase
This is an abbreviated version!
For detailed information about uridine nucleosidase, go to the full flat file.
Word Map on EC 3.2.2.3
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3.2.2.3
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salvage
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uracil
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purine
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protozoan
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deaminase
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crithidia
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fasciculata
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baker
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orotate
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ribonucleosides
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schramm
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vaginalis
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trichomonas
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glycosylase
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pharmacology
- 3.2.2.3
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salvage
- uracil
- purine
-
protozoan
- deaminase
-
crithidia
- fasciculata
-
baker
- orotate
- ribonucleosides
-
schramm
- vaginalis
-
trichomonas
- glycosylase
- pharmacology
Reaction
Synonyms
inosine-uridine nucleoside hydrolase, NSH1, nucleosidase, uridine, nucleoside hydrolase 1, PpNRH2, RihC, UNH, URH1, Urh1p, uridine hydrolase, uridine nucleoside ribohydrolase, Uridine ribohydrolase, uridine-cytidine N-ribohydrolase, uridine-preferring pyrimidine nucleoside hydrolase, uridine-ribohydrolase 1, uridine/cytidine hydrolase, ZmNRH2a, ZmNRH2b
ECTree
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Engineering
Engineering on EC 3.2.2.3 - uridine nucleosidase
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H254A
sited-directed mutagenesis, active site mutant, 30fold decreased Vmax and unaltered Km compared to the wild-type enzyme
additional information
mutants expressing the Arabidopsis thaliana enzyme or the homologue from Oryza sativa exhibit resistance toward toxic fluorouridine, fluorouracil, and fluoroorotic acid. Mutants with increased and decreased nucleosidase activity are delayed in germination
additional information
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functional knockout of the mutant, phenotypic analysis of wild-type and mutant enzymes, overview
additional information
construction of urh115 disruption mutant strains
additional information
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construction of urh115 disruption mutant strains
additional information
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expression of uridine-cytidine N-ribohydrolase from protozoan parasite Crithidia fasciculata in a Saccharomyces mutant deficient restores the enzyme activity, as well as expression of the human enzyme in the yeast mutant