4BCE:
reference: Semi-rational approach for converting a GH1 beta-glycosidase into a beta-transglycosidase., Teze D, Hendrickx J, Czjzek M, Ropartz D, Sanejouand YH, Tran V, Tellier C, Dion M, Protein Eng Des Sel. 2014 Jan;27(1):13-9. doi: 10.1093/protein/gzt057. Epub 2013 , Nov 27. PMID: 24287187

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