A Bacillus Flagellar Motor That Can Use Both Na⁺ and K⁺ as a Coupling Ion Is Converted by a Single Mutation to Use Only Na⁺

• Naoya Terahara ,

  Contributed equally to this work with: Naoya Terahara, Motohiko Sano

  Affiliation Graduate School of Frontier Biosciences, Osaka University, Suita, Osaka, Japan

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• Motohiko Sano ,

  Contributed equally to this work with: Naoya Terahara, Motohiko Sano

  Affiliation Graduate School of Life Sciences, Toyo University, Oura-gun, Japan

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• Masahiro Ito

  * E-mail: masahiro.ito@toyo.jp

  Affiliations Graduate School of Life Sciences, Toyo University, Oura-gun, Japan, Bio-Nano Electronics Research Centre, Toyo University, Kawagoe Saitama, Japan

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