4PR6: A Second Look At The Hdv Ribozyme Structure And Dynamics.
reference: New tools provide a second look at HDV ribozyme structure, dynamics and cleavage., Kapral GJ, Jain S, Noeske J, Doudna JA, Richardson DC, Richardson JS, Nucleic Acids Res. 2014 Oct 17. pii: gku992. PMID: 25326328

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