3ILF:
reference: Transfer of carbohydrate-active enzymes from marine bacteria to Japanese gut microbiota., Hehemann JH, Correc G, Barbeyron T, Helbert W, Czjzek M, Michel G, Nature. 2010 Apr 8;464(7290):908-12. PMID: 20376150

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