1NPD:
reference: The 2.3-A crystal structure of the shikimate 5-dehydrogenase orthologue YdiB from Escherichia coli suggests a novel catalytic environment for an NAD-dependent dehydrogenase., Benach J, Lee I, Edstrom W, Kuzin AP, Chiang Y, Acton TB, Montelione GT, Hunt JF, J Biol Chem 2003 May 23;278(21):19176-82. PMID: 12624088

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