6OQQ:
reference: Bacterial pseudokinase catalyzes protein polyglutamylation to inhibit the SidE-family ubiquitin ligases., Black MH, Osinski A, Gradowski M, Servage KA, Pawlowski K, Tomchick DR, Tagliabracci VS, Science. 2019 May 24;364(6442):787-792. doi: 10.1126/science.aaw7446. PMID: 31123136

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