Table 3.

Inhibition profile of GES-2 compared with those of other β-lactamases

β-LactamaseIC50(μM)a
Clavulanic acidTazobactamImipenem
GES-21 ± 0.50.5 ± 0.28 ± 2
GES-152.50.1
IBC-110.120.06
SME-10.280.16b
TEM-10.080.0511.8
  • a Data were adapted from references7, 28, 33, and 37.

  • b —, not done.