3PAC:
reference: Structure of PduT, a trimeric bacterial microcompartment protein with a 4Fe-4S cluster-binding site., Pang A, Warren MJ, Pickersgill RW, Acta Crystallogr D Biol Crystallogr. 2011 Feb;67(Pt 2):91-6. Epub 2011 Jan, 8. PMID: 21245529

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