2PO2:
reference: Insights into the mechanism of progressive RNA degradation by the archaeal exosome., Navarro MV, Oliveira CC, Zanchin NI, Guimaraes BG, J Biol Chem. 2008 May 16;283(20):14120-31. Epub 2008 Mar 19. PMID: 18353775

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