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Characterization of a prokaryotic topoisomerase I activity in chloroplast extracts from spinach.
A topoisomerase I activity has been partially purified from crude extracts of spinach chloroplasts. This activity relaxes the supercoiled covalently closed circular DNA of pBR322. The enzyme requires Mg++, but not ATP, and has an apparent molecular weight of about 115,000. It catalyzes a unit change...
Sparad:
| Huvudupphovsmän: | , , |
|---|---|
| Materialtyp: | Artigo |
| Språk: | Inglês |
| Publicerad: |
1983
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| Länkar: | https://ncbi.nlm.nih.gov/pmc/articles/PMC325812/ https://ncbi.nlm.nih.gov/pubmed/6298746 |
| Taggar: |
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