6AQ6:
reference: Defining the Specificity of Carbohydrate-Protein Interactions by Quantifying Functional Group Contributions., Sood A, Gerlits OO, Ji Y, Bovin NV, Coates L, Woods RJ, J Chem Inf Model. 2018 Sep 24;58(9):1889-1901. doi: 10.1021/acs.jcim.8b00120., Epub 2018 Aug 22. PMID: 30086239

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