3NGK:
reference: Structural insights into the mechanisms of transport across the Salmonella enterica Pdu microcompartment shell., Crowley CS, Cascio D, Sawaya MR, Kopstein JS, Bobik TA, Yeates TO, J Biol Chem. 2010 Sep 24. PMID: 20870711

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