Table 3.

Enzymatic activities in extracts from E. faecalis BM4405

Vancomycin concn (μg/ml)Activity (nmol min−1 mg of protein−1)
d,d-Dipeptidased,d-CarboxypeptidaseSerine racemase
Membrane fractionCytoplasmic extractMembrane fractionCytoplasmic extractMembrane fractionCytoplasmic extract
0<1<1<1<11<1
81161960<1