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Structure of the N. gonorrhoeae MtrF transporter. (A) Transmembrane topology of N. gonorrhoeae MtrF. The transporter contains nine transmembrane helices (TMs) and two hairpins (HPs). (B) Ribbon diagram of a dimer of MtrF viewed in the membrane plane. The right subunit of the dimer is colored red, whereas the left subunit is colored green. The MtrF dimer forms a bowl‐shaped structure with a concave aqueous basin facing the intracellular solution.
