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Molecular motors

A step dissected

The motor protein kinesin 'walks' by alternately advancing its two motor structural domains. A cutting-edge, single-molecule fluorescence technique reveals further details of this stepping mechanism.

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Figure 1: Positioning of fluorescent sensors on a walking kinesin molecule.


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Ökten, Z., Schliwa, M. A step dissected. Nature 450, 625–626 (2007).

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