Mutants in the Exo I motif of Escherichia coli dnaQ: defective proofreading and inviability due to error catastrophe.
The Escherichia coli dnaQ gene encodes the proofreading 3' exonuclease (epsilon subunit) of DNA polymerase III holoenzyme and is a critical determinant of chromosomal replication fidelity. We constructed by site-specific mutagenesis a mutant, dnaQ926, by changing two conserved amino acid residues (A...
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| Publicado no: | Proc Natl Acad Sci U S A |
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| Principais autores: | , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
National Academy of Sciences
1996
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.govhttps://pmc.ncbi.nlm.nih.gov/articles/PMC39723/ https://ncbi.nlm.nih.govhttps://pubmed.ncbi.nlm.nih.gov/8610131/ https://ncbi.nlm.nih.govhttps://doi.org/10.1073/pnas.93.7.2856 |
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