6J9L:
reference: Diverse Mechanisms of CRISPR-Cas9 Inhibition by Type IIC Anti-CRISPR Proteins., Zhu Y, Gao A, Zhan Q, Wang Y, Feng H, Liu S, Gao G, Serganov A, Gao P, Mol Cell. 2019 Mar 5. pii: S1097-2765(19)30058-9. doi:, 10.1016/j.molcel.2019.01.038. PMID: 30850331

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