2B3Y:
reference: Crystal structure of human iron regulatory protein 1 as cytosolic aconitase., Dupuy J, Volbeda A, Carpentier P, Darnault C, Moulis JM, Fontecilla-Camps JC, Structure. 2006 Jan;14(1):129-39. PMID: 16407072

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