3L2M:
reference: X-ray crystallographic analyses of pig pancreatic alpha-amylase with limit dextrin, oligosaccharide, and alpha-cyclodextrin., Larson SB, Day JS, McPherson A, Biochemistry. 2010 Apr 13;49(14):3101-15. PMID: 20222716

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