4IFD:
reference: Crystal structure of an RNA-bound 11-subunit eukaryotic exosome complex., Makino DL, Baumgartner M, Conti E, Nature. 2013 Mar 7;495(7439):70-5. doi: 10.1038/nature11870. Epub 2013 Feb 3. PMID: 23376952

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