4AL9:
reference: Secondary sugar binding site identified for LecA lectin from Pseudomonas aeruginosa., Blanchard B, Imberty A, Varrot A, Proteins. 2013 Oct 1. doi: 10.1002/prot.24430. PMID: 24123124

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