TABLE 2.
KPC-2 kinetic parameters
a
Drug
K
m
(μM)
k
cat
(s
−1
)
k
cat
/
K
m
ratio (μM
−1
s
−1
)
Piperacillin
16 ± 2
17 ± 6
1.1 ± 0.2
NCF
5 ± 1
30 ± 1
6.4 ± 0.2
Cefotaxime
120 ± 14
78 ± 5
0.6 ± 0.1
Imipenem
19 ± 1
19 ± 1
1.0 ± 0.1
↵
a
Values are means ± standard deviations.