4EB7:
reference: (IscS-IscU)(2) Complex Structures Provide Insights into Fe(2) S(2) Biogenesis and Transfer., Marinoni EN, de Oliveira JS, Nicolet Y, Raulfs EC, Amara P, Dean DR, Fontecilla-Camps JC, Angew Chem Int Ed Engl. 2012 Apr 18. doi: 10.1002/anie.201201708. PMID: 22511353

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