4MKY:
reference: Molecular Basis for DNA Double-Strand Break Annealing and Primer Extension by an NHEJ DNA Polymerase., Brissett NC, Martin MJ, Bartlett EJ, Bianchi J, Blanco L, Doherty AJ, Cell Rep. 2013 Nov 27;5(4):1108-20. doi: 10.1016/j.celrep.2013.10.016. Epub 2013 , Nov 14. PMID: 24239356

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