4KPM:
reference: Carbohydrate Recognition by RpfB from Mycobacterium tuberculosis Unveiled by Crystallographic and Molecular Dynamics Analyses., Squeglia F, Romano M, Ruggiero A, Vitagliano L, De Simone A, Berisio R, Biophys J. 2013 Jun 4;104(11):2530-9. doi: 10.1016/j.bpj.2013.04.040. PMID: 23746526

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