5UAR:
reference: Atomic Structure of the Cystic Fibrosis Transmembrane Conductance Regulator., Zhang Z, Chen J, Cell. 2016 Dec 1;167(6):1586-1597.e9. doi: 10.1016/j.cell.2016.11.014. PMID: 27912062

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).