3BN4:
reference: Atomic-level models of the bacterial carboxysome shell., Tanaka S, Kerfeld CA, Sawaya MR, Cai F, Heinhorst S, Cannon GC, Yeates TO, Science. 2008 Feb 22;319(5866):1083-6. PMID: 18292340

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