Abstract
The continuous emergence of multi-drug resistant pathogens co-expressing serine and metallo-carbapenemases seriously threatens the efficacy of carbapenem. Here, we report the first SeCN-derived dual inhibitor of serine and metallo-carbapenemases with IC50 values ranging from 0.0038 to 1.27 μg mL-1. The inhibitor was shown to form covalent bonds with Cys221 of NDM-1 and Ser70 of KPC-2, respectively, achieving selective labelling and cross-class inhibition for carbapenemases. Our results provide a potential strategy to develop clinically useful dual inhibitors targeting serine and metallo-carbapenemases to combat superbugs.
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