4OYJ:
reference: Molecular Basis and Regulation of OTULIN-LUBAC Interaction., Elliott PR, Nielsen SV, Marco-Casanova P, Fiil BK, Keusekotten K, Mailand N, Freund SM, Gyrd-Hansen M, Komander D, Mol Cell. 2014 May 8;54(3):335-48. doi: 10.1016/j.molcel.2014.03.018. Epub 2014, Apr 10. PMID: 24726323

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