TABLE 5.

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

InhibitorIC50 (μM)
RTG-3RTG-4
Clavulanic acid0.10.07
Tazobactam0.10.35
Sulbactam0.21.5
  • a Data are the means of three independent experiments. Standard deviations were within 10% of the means.