5AWQ:
reference: Crystal structure and mutational analysis of isomaltodextranase, a member of glycoside hydrolase family 27., Okazawa Y, Miyazaki T, Yokoi G, Ishizaki Y, Nishikawa A, Tonozuka T, J Biol Chem. 2015 Sep 1. pii: jbc.M115.680942. PMID: 26330557

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