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Mutants of the EcoRI endonuclease with promiscuous substrate specificity implicate residues involved in substrate recognition.
The EcoRI restriction endonuclease cleaves DNA molecules at the sequence GAATTC. We devised a genetic screen to isolate EcoRI mutants with altered or broadened substrate specificity. In vitro, the purified mutant enzymes cleave both the wild-type substrate and sites which differ from this by one nuc...
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| Main Authors: | , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado: |
1990
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| Assuntos: | |
| Acceso en liña: | https://ncbi.nlm.nih.gov/pmc/articles/PMC552075/ https://ncbi.nlm.nih.gov/pubmed/2209548 |
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