4AIO:
reference: Structure of the starch-debranching enzyme barley limit dextrinase reveals homology of the N-terminal domain to CBM21., Moller MS, Abou Hachem M, Svensson B, Henriksen A, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2012 Sep;68(Pt 9):1008-12. Epub, 2012 Aug 29. PMID: 22949184

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