2J13:
reference: Structure of a carbohydrate esterase from Bacillus anthracis., Oberbarnscheidt L, Taylor EJ, Davies GJ, Gloster TM, Proteins. 2007 Jan 1;66(1):250-2. PMID: 17063474

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