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Nature 424, 503 (31 July 2003) | doi:10.1038/424503a

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Neurobiology: Motor proteins branch out

Amanda Tromans

Molecular motors are perhaps best known for their ability to transport cargo around inside cells. To do so, these tiny vehicles move along defined intracellular 'tracks'; motor proteins of the kinesin family, for instance, move on microtubule filaments.