1LEI:
reference: The kappa B DNA sequence from the HIV long terminal repeat functions as an allosteric regulator of HIV transcription., Chen-Park FE, Huang DB, Noro B, Thanos D, Ghosh G, J Biol Chem 2002 Jul 5;277(27):24701-8. Epub 2002 Apr 22. PMID: 11970949

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