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PMID:3024109

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Citation

Oh, EY and Grossman, L (1986) The effect of Escherichia coli Uvr protein binding on the topology of supercoiled DNA. Nucleic Acids Res. 14:8557-71

Abstract

The effects of the binding of the E. coli UvrA and UvrB proteins on the linking number (delta L) of superhelical DNA has been measured. The effects of cofactor ATP structure on UvrAB-nucleoprotein complex formation revealed that nucleotide binding, not hydrolysis, is sufficient to locally unwind the DNA helix of both ultraviolet light-damaged as well as undamaged DNAs. The extent of this unwinding is of the same order of magnitude as the nucleotide distances of the double incision sites generated by the UvrABC endonucleolytic reaction.

Links

PubMed PMC311876

Keywords

Bacterial Proteins/metabolism; DNA, Superhelical/metabolism; DNA, Superhelical/radiation effects; Escherichia coli/genetics; Escherichia coli/metabolism; Kinetics; Protein Binding; Ultraviolet Rays

Significance

Annotations

Gene product Qualifier GO Term Evidence Code with/from Aspect Extension Notes Status


See also

References

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