2R0H:
reference: Structural basis for chitotetraose coordination by CGL3, a novel galectin-related protein from Coprinopsis cinerea., Walti MA, Walser PJ, Thore S, Grunler A, Bednar M, Kunzler M, Aebi M, J Mol Biol. 2008 May 23;379(1):146-59. Epub 2008 Apr 3. PMID: 18440554

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