3IAO:
reference: Conformational Plasticity of the Coiled-Coil Domain of BmrR Is Required for bmr Operator Binding: The Structure of Unliganded BmrR., Kumaraswami M, Newberry KJ, Brennan RG, J Mol Biol. 2010 Mar 15. PMID: 20230832

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