2XGC:
reference: Computational Design of a Chain-Specific Tetracycline Repressor Heterodimer., Stiebritz MT, Wengrzik S, Klein DL, Richter JP, Srebrzynski A, Weiler S, Muller YA, J Mol Biol. 2010 Sep 10. PMID: 20816982

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