3TH0:
reference: An essential serotype recognition pocket on phage P22 tailspike protein forces Salmonella enterica serovar Paratyphi A O-antigen fragments to bind as nonsolution conformers., Andres D, Gohlke U, Broeker NK, Schulze S, Rabsch W, Heinemann U, Barbirz S, Seckler R, Glycobiology. 2013 Apr;23(4):486-94. doi: 10.1093/glycob/cws224. Epub 2013 Jan 3. PMID: 23292517

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