2MQG:
reference: Solution structure of a bacterial immunoglobulin-like domain of the outer membrane protein (LigB) from Leptospira., Mei S, Zhang J, Zhang X, Tu X, Proteins. 2015 Jan;83(1):195-200. doi: 10.1002/prot.24723. Epub 2014 Nov 21. PMID: 25393078

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