2XZ2:
reference: Hexameric architecture of CstF supported by CstF-50 homodimerization domain structure., Moreno-Morcillo M, Minvielle-Sebastia L, Mackereth C, Fribourg S, RNA. 2011 Jan 13. PMID: 21233223

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