2G8S:
reference: Soluble aldose sugar dehydrogenase from Escherichia coli: A highly exposed active site conferring broad substrate specificity., Southall SM, Doel JJ, Richardson DJ, Oubrie A, J Biol Chem. 2006 Jul 24;. PMID: 16864586

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