3QBX:
reference: Molecular Basis of 1,6-Anhydro Bond Cleavage and Phosphoryl Transfer by Pseudomonas aeruginosa 1,6-Anhydro-N-acetylmuramic Acid Kinase., Bacik JP, Whitworth GE, Stubbs KA, Yadav AK, Martin DR, Bailey-Elkin BA, Vocadlo DJ, Mark BL, J Biol Chem. 2011 Apr 8;286(14):12283-91. Epub 2011 Feb 2. PMID: 21288904

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