6JTA:
reference: Role of allosteric switches and adaptor domains in long-distance cross-talk and transient tunnel formation., Sharma N, Ahalawat N, Sandhu P, Strauss E, Mondal J, Anand R, Sci Adv. 2020 Apr 3;6(14):eaay7919. doi: 10.1126/sciadv.aay7919. eCollection 2020, Apr. PMID: 32284973

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