2VQL:
reference: A Putative alpha-Helical Porin from Corynebacterium glutamicum., Ziegler K, Benz R, Schulz GE, J Mol Biol. 2008 Jun 6;379(3):482-91. Epub 2008 Apr 11. PMID: 18462756

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