Biochemical Characterization of SFC-1, a Class A Carbapenem-Hydrolyzing β-Lactamase

Antimicrobial Agents and Chemotherapy
2007.0

Abstract

The carbapenem-hydrolyzing beta-lactamase SFC-1 from Serratia fonticola UTAD54 was overexpressed in Escherichia coli, purified, and characterized. The enzyme exhibited an apparent molecular mass of 30.5 kDa, determined by sodium dodecyl sulfate-polyacrylamide gel electrophoresis. SFC-1 hydrolyzes penicillins, cephalosporins, aztreonam, and carbapenems and is inhibited by clavulanic acid, sulbactam, and tazobactam.

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