4HVZ:
reference: Brucella Immunogenic BP26 Forms a Channel-like Structure., Kim D, Park J, Kim SJ, Soh YM, Kim HM, Oh BH, Song JJ, J Mol Biol. 2013 Jan 23. pii: S0022-2836(13)00031-4. doi:, 10.1016/j.jmb.2013.01.015. PMID: 23353825

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