1J2Q:
reference: Investigations on the maturation and regulation of archaebacterial proteasomes., Groll M, Brandstetter H, Bartunik H, Bourenkow G, Huber R, J Mol Biol 2003 Mar 14;327(1):75-83. PMID: 12614609

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