6VRC:
reference: A phage-encoded anti-CRISPR enables complete evasion of type VI-A CRISPR-Cas immunity., Meeske AJ, Jia N, Cassel AK, Kozlova A, Liao J, Wiedmann M, Patel DJ, Marraffini LA, Science. 2020 May 28. pii: science.abb6151. doi: 10.1126/science.abb6151. PMID: 32467331

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