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. 1999 Sep;43(9):2161–2164. doi: 10.1128/aac.43.9.2161

TABLE 3.

Enzymatic activities in extracts from E. faecalis BM4405

Vancomycin concn (μg/ml) Activity (nmol min−1 mg of protein−1)
d,d-Dipeptidase
d,d-Carboxypeptidase
Serine racemase
Membrane fraction Cytoplasmic extract Membrane fraction Cytoplasmic extract Membrane fraction Cytoplasmic extract
0 <1 <1 <1 <1 1 <1
8 1 16 1 9 60 <1