4QZD:
reference: Structural basis for a novel mechanism of DNA bridging and alignment in eukaryotic DSB DNA repair., Gouge J, Rosario S, Romain F, Poitevin F, Beguin P, Delarue M, EMBO J. 2015 Apr 15;34(8):1126-42. doi: 10.15252/embj.201489643. Epub 2015 Mar, 11. PMID: 25762590

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