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. 1998 Jun;42(6):1323–1328. doi: 10.1128/aac.42.6.1323

TABLE 5.

IC50s for hydrolysis of benzylpenicillin

Inhibitor IC50 (μM)a
TEM-1 Asn276Asp
Clavulanic acid 0.02 0.13
Sulbactam 10 13.4
Tazobactam 0.15 0.33
Brobactam 0.02 0.03
a

The standard deviation for the analysis was ±5%.