2CHU:
reference: An [{Fe(mecam)}2]6- bridge in the crystal structure of a ferric enterobactin binding protein., Muller A, Wilkinson AJ, Wilson KS, Duhme-Klair AK, Angew Chem Int Ed Engl. 2006 Aug 4;45(31):5132-6. PMID: 16927323

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