2XON:
reference: Recognition of the helical structure of beta-1,4-galactan by a new family of carbohydrate-binding modules., Cid M, Pedersen HL, Kaneko S, Coutinho PM, Henrissat B, Willats WG, Boraston AB, J Biol Chem. 2010 Nov 12;285(46):35999-6009. Epub 2010 Sep 8. PMID: 20826814

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