4OO1:
reference: Structure of an Rrp6-RNA exosome complex bound to poly(A) RNA., Wasmuth EV, Januszyk K, Lima CD, Nature. 2014 Jul 24;511(7510):435-9. doi: 10.1038/nature13406. Epub 2014 Jul 6. PMID: 25043052

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