Table 4.

50% inhibitory concentrations (IC50s) of β-lactamase inhibitors for β-lactamase TEM-2 and its mutants

β-LactamaseIC50 (μM) of:
Clavulanic acidSulbactamTazobactam
TEM-20.1680.1
TEM-180.0074.20.1
TEM-560.0084.30.1
TEM-30.010.40.01
TEM-210.0120.07