3EE4:
reference: A Mycobacterium tuberculosis ligand-binding Mn/Fe protein reveals a new cofactor in a remodeled R2-protein scaffold., Andersson CS, Hogbom M, Proc Natl Acad Sci U S A. 2009 Apr 7;106(14):5633-8. Epub 2009 Mar 24. PMID: 19321420

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