One motor driving two translocases
- PMID: 20924403
- DOI: 10.1038/nsmb1010-1166
One motor driving two translocases
Abstract
In this issue, Wu et al. show that the RecBC helicase, which is involved in repairing double-strand DNA breaks,uses one ATPase motor to drive two translocases along opposite strands of DNA—much as an all-wheel drive engine controls movement of both front and back wheels. This mechanism may allow RecBC to load onto blunt-end DNA more efficiently and to move through obstacles such as gaps and DNA damage.
Comment on
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Escherichia coli RecBC helicase has two translocase activities controlled by a single ATPase motor.Nat Struct Mol Biol. 2010 Oct;17(10):1210-7. doi: 10.1038/nsmb.1901. Epub 2010 Sep 19. Nat Struct Mol Biol. 2010. PMID: 20852646 Free PMC article.
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