4QPQ:
reference: Mechanistic Basis of Plasmid-Specific DNA Binding of the F Plasmid Regulatory Protein, TraM., Peng Y, Lu J, Wong JJ, Edwards RA, Frost LS, Mark Glover JN, J Mol Biol. 2014 Oct 2. pii: S0022-2836(14)00517-8. doi:, 10.1016/j.jmb.2014.09.018. PMID: 25284757

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