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Rescue of K12G Triosephosphate Isomerase by Ammonium Cations: The Reaction of an Enzyme in Pieces
The K12G mutation at yeast triosephosphate isomerase (TIM) results in a 5.5 × 10(5)-fold decrease in k(cat)/K(m) for isomerization of glyceraldehyde 3-phosphate, and the activity of this mutant can be successfully “rescued” by NH(4)(+) and primary alkylammonium cations. The transition state for the...
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| Auteurs principaux: | , , |
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| Format: | Artigo |
| Langue: | Inglês |
| Publié: |
2010
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| Sujets: | |
| Accès en ligne: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2945285/ https://ncbi.nlm.nih.gov/pubmed/20822141 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/ja106104h |
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