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. 2009 Apr 20;53(7):3010–3016. doi: 10.1128/AAC.01164-08

TABLE 5.

IC50s of clavulanic acid, tazobactam, and sulbactam for β-lactamases RTG-3 and RTG-4a

Inhibitor IC50 (μM)
RTG-3 RTG-4
Clavulanic acid 0.1 0.07
Tazobactam 0.1 0.35
Sulbactam 0.2 1.5
a

Data are the means of three independent experiments. Standard deviations were within 10% of the means.