2VDF:
reference: In meso crystal structure and docking simulations suggest an alternative proteoglycan binding site in the OpcA outer membrane adhesin., Cherezov V, Liu W, Derrick JP, Luan B, Aksimentiev A, Katritch V, Caffrey M, Proteins. 2007 Dec 12;. PMID: 18076035

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