5CAE:
reference: Structural basis for the binding of succinate to succinyl-CoA synthetase., Huang J, Fraser ME, Acta Crystallogr D Struct Biol. 2016 Aug;72(Pt 8):912-21. doi:, 10.1107/S2059798316010044. Epub 2016 Jul 13. PMID: 27487822

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