3UFC:
reference: Crystal structure of a Cas6 paralogous protein from Pyrococcus furiosus., Park HM, Shin M, Sun J, Kim GS, Lee YC, Park JH, Kim BY, Kim JS, Proteins. 2012 Jul;80(7):1895-900. doi: 10.1002/prot.24061. Epub 2012 Mar 23. PMID: 22447673

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