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Science 29 April 2005:
Vol. 308. no. 5722, pp. 642 - 644
DOI: 10.1126/science.1112617
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Perspectives

STRUCTURAL BIOLOGY:
Nature's Rotary Electromotors

Wolfgang Junge and Nathan Nelson

Cells are packed full of molecular motors that carry out a plethora of different functions. In their Perspective, Junge and Nelson discuss two recent studies (Meier et al., Murata et al.) that shed light on the workings of rotary electromotors, one designed to drive the synthesis of the energy carrier molecule ATP, the other to pump sodium cations at the expense of ATP hydrolysis

W. Junge is in the Division of Biophysics, University of Osnabrück, 49069 Osnabrück, Germany. E-mail: junge{at}uos.de N. N. Nelson is in the Department of Biochemistry, Tel Aviv University, 69978 Tel Aviv, Israel. E-mail: nelson{at}post.tau.ac.il

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