3K2D:
reference: Crystal structure of Toll-like receptor 2-activating lipoprotein IIpA from Vibrio vulnificus., Yu S, Lee NY, Park SJ, Rhee S, Proteins. 2011 Mar;79(3):1020-5. doi: 10.1002/prot.22929. Epub 2010 Dec 22. PMID: 21287630

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