3AFK:
reference: Structural insights into the recognition mechanism between an antitumor galectin AAL and the Thomsen-Friedenreich antigen., Feng L, Sun H, Zhang Y, Li DF, Wang DC, FASEB J. 2010 Oct;24(10):3861-8. Epub 2010 Jun 7. PMID: 20530247

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