2Z51:
reference: Structural analysis of Arabidopsis CnfU protein: an iron-sulfur cluster biosynthetic scaffold in chloroplasts., Yabe T, Yamashita E, Kikuchi A, Morimoto K, Nakagawa A, Tsukihara T, Nakai M, J Mol Biol. 2008 Aug 1;381(1):160-73. Epub 2008 Jun 4. PMID: 18585737

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