4BWZ: Crystal Structure Of The Sodium Proton Antiporter, Napa
reference: A two-domain elevator mechanism for sodium/proton antiport., Lee C, Kang HJ, von Ballmoos C, Newstead S, Uzdavinys P, Dotson DL, Iwata S, Beckstein O, Cameron AD, Drew D, Nature. 2013 Sep 1. doi: 10.1038/nature12484. PMID: 23995679

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