2B0T:
reference: Substrate-free structure of a monomeric NADP isocitrate dehydrogenase: An open conformation phylogenetic relationship of isocitrate dehydrogenase., Imabayashi F, Aich S, Prasad L, Delbaere LT, Proteins. 2006 Jan 13;. PMID: 16416443

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