5VW1:
reference: Inhibition Mechanism of an Anti-CRISPR Suppressor AcrIIA4 Targeting SpyCas9., Yang H, Patel DJ, Mol Cell. 2017 Jul 6;67(1):117-127.e5. doi: 10.1016/j.molcel.2017.05.024. Epub, 2017 Jun 9. PMID: 28602637

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