2QZA:
reference: Crystal structure of SopA, a Salmonella effector protein mimicking a eukaryotic ubiquitin ligase., Diao J, Zhang Y, Huibregtse JM, Zhou D, Chen J, Nat Struct Mol Biol. 2008 Jan;15(1):65-70. Epub 2007 Dec 9. PMID: 18066077

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