3WSC:
reference: Structural insights into alginate binding by bacterial cell-surface protein., Temtrirath K, Murata K, Hashimoto W, Carbohydr Res. 2014 Nov 29;404C:39-45. doi: 10.1016/j.carres.2014.11.008. PMID: 25665777

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