2IH3:
reference: Ion selectivity in a semisynthetic K+ channel locked in the conductive conformation., Valiyaveetil FI, Leonetti M, Muir TW, Mackinnon R, Science. 2006 Nov 10;314(5801):1004-7. PMID: 17095703

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