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Xanthosine Utilization in Salmonella enterica Serovar Typhimurium Is Recovered by a Single Aspartate-to-Glycine Substitution in Xanthosine Phosphorylase
xapABR from Salmonella enterica was analyzed and compared with the corresponding Escherichia coli genes. xapB and xapR, but not xapA, encode functional proteins. An S. enterica XapA(Asp72Gly) mutant that restores the phosphorolytic activity was selected. The purified mutant enzyme has different kine...
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| Main Authors: | , , |
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| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
American Society for Microbiology
2006
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| Fag: | |
| Online adgang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1482901/ https://ncbi.nlm.nih.gov/pubmed/16707709 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1128/JB.01926-05 |
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