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Peptide sequencing and site-directed mutagenesis identify tyrosine-727 as the active site tyrosine of Saccharomyces cerevisiae DNA topoisomerase I.
Extensive digestion of the covalent intermediate between DNA and Saccharomyces cerevisiae DNA topoisomerase I with trypsin yields a 7-amino acid peptide covalently linked to DNA. Direct sequencing of the DNA-linked peptide identifies Tyr-727 as the active site tyrosine that forms an O4-phosphotyrosi...
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| Asıl Yazarlar: | , , , |
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| Materyal Türü: | Artigo |
| Dil: | Inglês |
| Baskı/Yayın Bilgisi: |
1989
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| Konular: | |
| Online Erişim: | https://ncbi.nlm.nih.gov/pmc/articles/PMC287177/ https://ncbi.nlm.nih.gov/pubmed/2542938 |
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