4ZOX:
reference: Co-translational capturing of nascent ribosomal proteins by their dedicated chaperones., Pausch P, Singh U, Ahmed YL, Pillet B, Murat G, Altegoer F, Stier G, Thoms M, Hurt E, Sinning I, Bange G, Kressler D, Nat Commun. 2015 Jun 26;6:7494. doi: 10.1038/ncomms8494. PMID: 26112308

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