4UR9:
reference: Discovery of selective small-molecule activators of a bacterial glycoside hydrolase., Darby JF, Landstrom J, Roth C, He Y, Davies GJ, Hubbard RE, Angew Chem Int Ed Engl. 2014 Dec 1;53(49):13419-23. doi: 10.1002/anie.201407081. , Epub 2014 Oct 7. PMID: 25291993

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