1HLQ:
reference: Structure of Rhodoferax fermentans high-potential iron-sulfur protein solved by MAD., Gonzalez A, Benini S, Ciurli S, Acta Crystallogr D Biol Crystallogr 2003 Sep;59(Pt 9):1582-8. PMID: 12925788

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