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. 2012 Jun;194(11):2829–2836. doi: 10.1128/JB.00228-12

Table 2.

Apparent kinetic parameters for the reductase activities of AlnH and ActVB

Enzyme Substrate Km (μM) kcat (s−1) Cosubstrate Reference
AlnH FMN 1.15 ± 0.08 0.56 ± 0.01 NADH This study
FAD 12.3 ± 1.5 0.64 ± 0.02 NADH
NADH 45.5 ± 2.8 1.05 ± 0.02 FMN
NADPH 2,687 ± 1,480 0.93 ± 0.38 FMN
NADPH No activity FAD
ActVB FMN 1.0 ± 0.1 9.2 ± 0.4 NADH 8
FAD 8.7 ± 0.6 8.2 ± 0.7 NADH 9
NADH 6.6 ± 0.5 9.2 ± 0.4 FMN 9
FMN 39.6 2.7 NADH 9