3FHZ:
reference: The Structure of the Arginine Repressor from Mycobacterium tuberculosis Bound with its DNA Operator and Co-repressor l-Arginine., Cherney LT, Cherney MM, Garen CR, James MN, J Mol Biol. 2009 Mar 2. PMID: 19265706

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