2KGS:
reference: Structure of the Mycobacterium tuberculosis OmpATb protein: A model of an oligomeric channel in the mycobacterial cell wall., Yang Y, Auguin D, Delbecq S, Dumas E, Molle G, Molle V, Roumestand C, Saint N, Proteins. 2010 Oct 12. PMID: 21117233

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