| 4A7Y: reference: Crystal Structure of Bifunctional Aldos-2-Ulose Dehydratase/Isomerase from Phanerochaete chrysosporium with the Reaction Intermediate Ascopyrone M., Claesson M, Lindqvist Y, Madrid S, Sandalova T, Fiskesund R, Yu S, Schneider G, J Mol Biol. 2012 Apr 6;417(4):279-93. Epub 2012 Feb 8. PMID: 22330145 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).