5WIE:
reference: Crystal structure of an inactivated mutant mammalian voltage-gated K+ channel., Pau V, Zhou Y, Ramu Y, Xu Y, Lu Z, Nat Struct Mol Biol. 2017 Aug 28. doi: 10.1038/nsmb.3457. PMID: 28846092

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