1HNO:
reference: The crystal structure of delta(3)-delta(2)-enoyl-CoA isomerase., Mursula AM, van Aalten DM, Hiltunen JK, Wierenga RK, J Mol Biol 2001 Jun 15;309(4):845-53. PMID: 11399063

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