3W7T:
reference: Structural insights into the substrate specificity and function of Escherichia coli K12 YgjK, a glucosidase belonging to the glycoside hydrolase family 63., Kurakata Y, Uechi A, Yoshida H, Kamitori S, Sakano Y, Nishikawa A, Tonozuka T, J Mol Biol. 2008 Aug 1;381(1):116-28. Epub 2008 Jun 30. PMID: 18586271

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