6GPE:
reference: Widespread bacterial lysine degradation proceeding via glutarate and L-2-hydroxyglutarate., Knorr S, Sinn M, Galetskiy D, Williams RM, Wang C, Muller N, Mayans O, Schleheck D, Hartig JS, Nat Commun. 2018 Nov 29;9(1):5071. doi: 10.1038/s41467-018-07563-6. PMID: 30498244

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