Escherichia coli RecBC helicase has two translocase activities controlled by a single ATPase motor.
Wu C.G., Bradford C., & Lohman T.M. (2010). “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. (Abstract)