1MKA:
reference: Structure of a dehydratase-isomerase from the bacterial pathway for biosynthesis of unsaturated fatty acids: two catalytic activities in one active site., Leesong M, Henderson BS, Gillig JR, Schwab JM, Smith JL, Structure 1996 Mar 15;4(3):253-64. PMID: 8805534

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