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. 2009 Oct 16;75(24):7767–7773. doi: 10.1128/AEM.00171-09

TABLE 2.

Kinetic parameters of FpdBa

Fixed substrateb Varied substrate Km (μM) kcat (s−1) kcat/Km (M−1 s−1)
FAD NADH 13 ± 2 33 ± 4 2.5 × 106
FMN NADH 122 ± 14 12 ± 2 1.0 × 105
NADH FMN 10 ± 1 63 ± 3 6.6 × 106
NADH FAD 6 ± 1 23 ± 2 3.6 × 106
a

Values refer to the varied substrate and are means for triplicate experiments with standard deviations.

b

FAD and FMN concentrations were fixed at 100 μM, and the NADH concentration was fixed at 300 μM.