3K6M:
reference: The high-resolution structure of pig heart succinyl-CoA:3-oxoacid coenzyme A transferase., Coker SF, Lloyd AJ, Mitchell E, Lewis GR, Coker AR, Shoolingin-Jordan PM, Acta Crystallogr D Biol Crystallogr. 2010 Jul;66(Pt 7):797-805. Epub 2010 Jun 19. PMID: 20606260

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