3J09:
reference: The Architecture of CopA from Archeaoglobus fulgidus Studied by Cryo-Electron Microscopy and Computational Docking., Allen GS, Wu CC, Cardozo T, Stokes DL, Structure. 2011 Aug 3. PMID: 21820315

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