4W6Q:
reference: A conserved domain is crucial for acceptor substrate binding in a family of glucosyltransferases., Zhu F, Zhang H, Wu H, J Bacteriol. 2015 Feb;197(3):510-7. doi: 10.1128/JB.02267-14. Epub 2014 Nov 17. PMID: 25404702

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