4MN4:
reference: Structural basis for the MukB-topoisomerase IV interaction and its functional implications in vivo., Vos SM, Stewart NK, Oakley MG, Berger JM, EMBO J. 2013 Oct 4. doi: 10.1038/emboj.2013.218. PMID: 24097060

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