RecO efficiently displaces SSB from ssDNA without consuming ATPs using its two DNA-binding sites, even though SSB binds to ssDNA approximately 300 times more strongly than RecO does.
John P Gillies, Janice M Reimer ... Samara L Reck-Peterson
A 3.1 Å structure of cytoplasmic dynein-1 in complex with its regulator Lis1 reveals the interfaces between dynein and Lis1, all of which are important for dynein function in vitro and in vivo.
The rate of DNA unwinding by RecQ helicases is dramatically modulated by the DNA duplex stability in a geometry-dependent manner, providing an intrinsic mechanism for suppressing illegitimate recombination.
William B Redwine, Morgan E DeSantis ... Samara L Reck-Peterson
Using a proximity-dependent labeling approach in living cells, the human cytoplasmic dynein-1 interactome was identified and a new family of dynein activators, ninein and ninein-like, was discovered.
DNA unwinding triggers a conformational change in the RecD subunit of E. coli RecBCD helicase-nuclease that is transferred through the RecC subunit to activate the nuclease domain of the RecB subunit.