Motor proteins are essential to life: without them, all cellular transport would grind to a halt. New results on the size of steps taken by one family of motors, the myosins, will fuel the debate about how they move.
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Geeves, M. Stretching the lever-arm theory. Nature 415, 129–131 (2002). https://doi.org/10.1038/415129a
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DOI: https://doi.org/10.1038/415129a