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Science 6 April 2007:
Vol. 316. no. 5821, pp. 58 - 59
DOI: 10.1126/science.1141549
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Perspectives

BIOCHEMISTRY:
Processive Motor Movement

David D. Hackney

A mechanism that controls the stepwise movement of a molecular motor along a filamentous microtubule track in the cell does not seem to require the track itself.

The author is in the Department of Biological Science, Carnegie Mellon University, Pittsburgh, PA 15213, USA. E-mail: ddh{at}andrew.cmu.edu

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