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Nature 450, 621-622 (29 November 2007) | doi:10.1038/450621a; Published online 28 November 2007

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Cell biology: Pore puzzle

John D. Aitchison1 & Richard W. Wozniak2

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Where would you start in trying to work out the structure of a macromolecular machine consisting of 456 proteins? Taking a combined experimental and computational approach is one answer.

Consider a 1,000-piece jigsaw puzzle. There are millions of ways in which the pieces might fit together, yet there is only one solution.

  1. John D. Aitchison is at the Institute for Systems Biology, 1441 North 34th Street, Seattle, Washington 98103, USA.
    Email: jaitchison@systemsbiology.org
  2. Richard W. Wozniak is in the Department of Cell Biology, University of Alberta, Edmonton, Alberta T6G 2H7, Canada.
    Email: rick.wozniak@ualberta.ca

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