5TJ6:
reference: Cryo-EM structure of the open high-conductance Ca2+-activated K+ channel., Tao X, Hite RK, MacKinnon R, Nature. 2017 Jan 5;541(7635):46-51. doi: 10.1038/nature20608. Epub 2016 Dec 14. PMID: 27974795

This OCA Structure page
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