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Science 12 December 2008:
Vol. 322. no. 5908, pp. 1647 - 1648
DOI: 10.1126/science.1168178
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Perspectives

BIOCHEMISTRY:
Pressing Levers or Pulling Strings?

Linda A. Amos

The unique stalk of the molecular motor protein dynein may serve as a smart tether rather than as a lever during motion along microtubules.

MRC Laboratory of Molecular Biology, Hills Road, Cambridge CB2 0QH, UK. E-mail: laa{at}mrc-lmb.cam.ac.uk

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Science. ISSN 0036-8075 (print), 1095-9203 (online)