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Modification of uridine phosphorylase from Escherichia coli by diethyl pyrocarbonate. Evidence for a histidine residue in the active site of the enzyme.
Uridine phosphorylase from Escherichia coli is inactivated by diethyl pyrocarbonate at pH 7.1 and 10 degrees C with a second-order rate constant of 840 M-1.min-1. The rate of inactivation increases with pH, suggesting participation of an amino acid residue with pK 6.6. Hydroxylamine added to the ina...
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| Main Authors: | , |
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| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
1990
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| Fag: | |
| Online adgang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1131723/ https://ncbi.nlm.nih.gov/pubmed/2205199 |
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