4N9L:
reference: Perturbing the General Base Residue Glu166 in the Active Site of Class A beta-Lactamase Leads to Enhanced Carbapenem Binding and Acylation., Pan X, Wong WT, He Y, Jiang Y, Zhao Y, Biochemistry. 2014 Aug 26;53(33):5414-23. doi: 10.1021/bi401609h. Epub 2014 Aug, 15. PMID: 25020031

This OCA Structure page
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