3AEH:
reference: A novel intein-like autoproteolytic mechanism in autotransporter proteins., Tajima N, Kawai F, Park SY, Tame JR, J Mol Biol. 2010 Oct 1;402(4):645-56. Epub 2010 Jul 6. PMID: 20615416

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