5SUH:
reference: A Complete Structural Inventory of the Mycobacterial Microcompartment Shell Proteins Constrains Models of Global Architecture and Transport., Mallette E, Kimber MS, J Biol Chem. 2017 Jan 27;292(4):1197-1210. doi: 10.1074/jbc.M116.754093. Epub, 2016 Dec 6. PMID: 27927988

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