TABLE 1.

MIC determinations of reference strain 26695, clinical isolate B258, and 26695 transformed with pbp1 from B258 (26695_T) for several β-lactam antibiotics

β-Lactam	MIC (μg/ml) for strain:
	26695	B258	26695_T
Amoxicillin	0.06	1	1
Ampicillin	0.125	1	2
Penicillin G	0.125	1	2
Cefotaxime	1	2	4