4JAG:
reference: Enzyme-substrate complexes of allosteric citrate synthase: Evidence for a novel intermediate in substrate binding., Duckworth HW, Nguyen NT, Gao Y, Donald LJ, Maurus R, Ayed A, Bruneau B, Brayer GD, Biochim Biophys Acta. 2013 Aug 14. pii: S1570-9639(13)00291-4. doi:, 10.1016/j.bbapap.2013.07.019. PMID: 23954305

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