4UF9:
reference: The Selective Autophagy Receptor p62 Forms a Flexible Filamentous Helical Scaffold., Ciuffa R, Lamark T, Tarafder AK, Guesdon A, Rybina S, Hagen WJ, Johansen T, Sachse C, Cell Rep. 2015 May 5;11(5):748-58. doi: 10.1016/j.celrep.2015.03.062. Epub 2015, Apr 23. PMID: 25921531

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