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Sometimes a rocker-switch motion

Plastids are integrated into the cellular metabolism by several metabolite and ion transporters. The first crystal structure of one of these transporters, a member of the plastid phosphate transporter family, unravels a rocker-switch transport mode and serves as lead structure for other plastidial and endomembrane system transporters.

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Author information


  1. Department of Biosciences, Fisheries and Economics, The Arctic University of Tromsø, Framstedet 39, 9037, Tromsø, Norway

    • Karsten Fischer
  2. Institute of Plant Biochemistry, Cluster of Excellence on Plant Science (CEPLAS), Heinrich Heine University, Universitätsstrasse 1, 40225, Düsseldorf, Germany

    • Andreas P. M. Weber


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Competing interests

The authors declare no competing financial interests.

Corresponding authors

Correspondence to Karsten Fischer or Andreas P. M. Weber.