4FYI:
reference: Structure of the oncoprotein Rcl bound to three nucleotide analogues., Padilla A, Amiable C, Pochet S, Kaminski PA, Labesse G, Acta Crystallogr D Biol Crystallogr. 2013 Feb;69(Pt 2):247-55. doi:, 10.1107/S0907444912045039. Epub 2013 Jan 19. PMID: 23385460

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