3U6N: Open Structure Of The Bk Channel Gating Ring
reference: Open structure of the Ca2+ gating ring in the high-conductance Ca2+-activated K+ channel., Yuan P, Leonetti MD, Hsiung Y, MacKinnon R, Nature. 2011 Dec 4;481(7379):94-7. doi: 10.1038/nature10670. PMID: 22139424

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