3ETE:
reference: Novel Inhibitors Complexed with Glutamate Dehydrogenase: ALLOSTERIC REGULATION BY CONTROL OF PROTEIN DYNAMICS., Li M, Smith CJ, Walker MT, Smith TJ, J Biol Chem. 2009 Aug 21;284(34):22988-3000. Epub 2009 Jun 15. PMID: 19531491

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