1XM8:
reference: Structural studies on a mitochondrial glyoxalase II., Marasinghe GP, Sander IM, Bennett B, Periyannan G, Yang KW, Makaroff CA, Crowder MW, J Biol Chem. 2005 Dec 9;280(49):40668-75. Epub 2005 Oct 14. PMID: 16227621

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