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  1. Conduction pathway for potassium through the E. coli pump KdpFABC

    This article has 4 authors:
    1. Adel Hussein
    2. Xihui Zhang
    3. Bjørn Panyella Pedersen
    4. David L Stokes
    This article has been curated by 1 group:
    • Curated by eLife

      eLife Assessment

      This valuable study provides new insights into the movement of ions through the bacterial pump KdpFABC, which regulates intracellular potassium concentration, by solving a 2.1 Å cryo-EM structure of the nanodisc-embedded active wild-type protein, and carrying out mutagenesis and activity assays. Although the structural data and analysis are solid, additional information about other structural classes identified in the EM data, as well as a discussion of relevant work done by others, would further strengthen these findings. The description of the activity assays is currently incomplete because more information is required to rigorously assess these experiments. This work will be of interest to the membrane transporter and channel communities and to microbiologists interested in osmoregulation and potassium homeostasis.

    Reviewed by eLife

    This article has 4 evaluationsAppears in 2 listsLatest version Latest activity