2YY7:
reference: Crystal structure of UDP-galactose 4-epimerase-like L-threonine dehydrogenase belonging to the intermediate short-chain dehydrogenase-reductase superfamily., Yoneda K, Sakuraba H, Muraoka I, Oikawa T, Ohshima T, FEBS J. 2010 Dec;277(24):5124-32. doi: 10.1111/j.1742-4658.2010.07916.x., Epub 2010 Nov 16. PMID: 21078123

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