5X2H:
reference: Crystal Structure of the Minimal Cas9 from Campylobacter jejuni Reveals the Molecular Diversity in the CRISPR-Cas9 Systems., Yamada M, Watanabe Y, Gootenberg JS, Hirano H, Ran FA, Nakane T, Ishitani R, Zhang F, Nishimasu H, Nureki O, Mol Cell. 2017 Mar 16;65(6):1109-1121.e3. doi: 10.1016/j.molcel.2017.02.007. PMID: 28306506

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