TABLE 2.

Activity of NB2001 with or without β-lactamase inhibitors against wild-type and β-lactamase-producing E. coli

Strain	Relevant phenotype	MIC (μg/ml)a of:
		NB2001		Cephalothin	Triclosan
		Alone	With 4 μg of CLA/ml
E. coli N	BLA−	0.5	0.5	8	0.03
E. coli/TEM-1	BLA+	0.016	0.25	>64	0.03
E. coli 25922	BLA−	1	0.5	16	0.13

^aBLA, β-lactamase; CLA, lithium clavulanate. Lithium clavulanate (4 μg/ml) had no effect on cells when tested alone.