1MOK:
reference: Structural basis for CO2 fixation by a novel member of the disulfide oxidoreductase family of enzymes, 2-ketopropyl-coenzyme M oxidoreductase/carboxylase., Nocek B, Jang SB, Jeong MS, Clark DD, Ensign SA, Peters JW, Biochemistry 2002 Oct 29;41(43):12907-13. PMID: 12390015

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