4BFO:
reference: Crystal Structures of Starch Binding Domain from Rhizopus oryzae Glucoamylase in Complex with Isomaltooligosaccharide: Insights into Polysaccharide Binding Mechanism of CBM21 Family., Chu CH, Li KM, Lin SW, Chang MD, Jiang TY, Sun YJ, Proteins. 2013 Oct 9. doi: 10.1002/prot.24446. PMID: 24108499

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