3PFU:
reference: Oxidation state-dependent protein-protein interactions in disulfide cascades., Mavridou DA, Saridakis E, Kritsiligkou P, Goddard AD, Stevens JM, Ferguson SJ, Redfield C, J Biol Chem. 2011 Jul 15;286(28):24943-56. Epub 2011 May 3. PMID: 21543317

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