2XF4:
reference: Structural and functional characterization of Salmonella enterica serovar typhimurium YcbL: An unusual type II glyoxalase., Stamp AL, Owen P, El Omari K, Nichols CE, Lockyer M, Lamb HK, Charles IG, Hawkins AR, Stammers DK, Protein Sci. 2010 Jul 28. PMID: 20669241

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