3GIT:
reference: Novel domain arrangement in the crystal structure of a truncated acetyl-CoA synthase from Moorella thermoacetica., Volbeda A, Darnault C, Tan X, Lindahl PA, Fontecilla-Camps JC, Biochemistry. 2009 Aug 25;48(33):7916-26. PMID: 19650626

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