1R6D:
reference: High resolution X-ray structure of dTDP-glucose 4,6-dehydratase from Streptomyces venezuelae., Allard ST, Cleland WW, Holden HM, J Biol Chem 2004 Jan 16;279(3):2211-20. Epub 2003 Oct 21. PMID: 14570895

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