4EUS:
reference: Visualizing the Mechanism of Epoxide Hydrolysis by the Bacterial Virulence Enzyme Cif., Bahl CD, Hvorecny KL, Morisseau C, Gerber SA, Madden DR, Biochemistry. 2016 Feb 9;55(5):788-97. doi: 10.1021/acs.biochem.5b01229. Epub, 2016 Jan 22. PMID: 26752215

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