2VX9:
reference: Dodecin is the key player in flavin homeostasis of archaea., Grininger M, Staudt H, Johansson P, Wachtveitl J, Oesterhelt D, J Biol Chem. 2009 Feb 17. PMID: 19224924

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