2UX9:
reference: The dodecin from Thermus thermophilus, a bifunctional cofactor storage protein., Meissner B, Schleicher E, Weber S, Essen LO, J Biol Chem. 2007 Nov 9;282(45):33142-54. Epub 2007 Sep 11. PMID: 17855371

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