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. 2009 Dec 14;54(2):890–897. doi: 10.1128/AAC.00693-09

TABLE 2.

KPC-2 kinetic parametersa

Drug Km (μM) kcat(s−1) kcat/Km 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.