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. 1999 Jul;43(7):1644–1650. doi: 10.1128/aac.43.7.1644

TABLE 4.

Comparison of IC50 and Ki values of β-lactamase inhibitors for FAR-1 and TEM-1 β-lactamases

β-Lactamase Clavulanic acid
Sulbactam
Tazobactam
IC50 (μM) Ki (μM) IC50 (μM) Ki (μM) IC50 (μM) Ki (μM)
FAR-1 0.3 1.3 600 180 20 4.3
TEM-1 0.08 0.1 6.1 0.9 0.1 0.01