Transmembrane electrochemical ion gradients are the thermodynamic forces exploited by living cells to drive specific substances across the membrane. A new study begins to reveal the molecular mechanisms by which a transporter protein harnesses these driving forces.
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Roux, B. A proton-controlled check valve for sodium ion transport. Nat Chem Biol 3, 609–610 (2007). https://doi.org/10.1038/nchembio1007-609
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DOI: https://doi.org/10.1038/nchembio1007-609
