1.7.1.4 benzyl viologen - 655625 1.7.1.4 FAD addition increases activity 392942 1.7.1.4 FAD exogenously added FAD is required for activity in vitro 392930, 392932 1.7.1.4 FAD increases activity 392935 1.7.1.4 FAD stimulation 392936 1.7.1.4 flavin 0.4 mol of flavin per mol of enzyme 392923 1.7.1.4 flavin little or no flavin associated with purified protein 392930 1.7.1.4 FMN 0.01 mM, approx. 2fold increase in activity 392942 1.7.1.4 additional information FMN has no effect 392936 1.7.1.4 additional information heme is not detectable 392923 1.7.1.4 NAD+ substrate inhibition at high concentration, at low concentration required for full activity, maximum at 1 mM 392928 1.7.1.4 NAD+ substrate inhibition at low concentration 392926 1.7.1.4 NADH - 392923, 392924, 392925, 392926, 392928, 392931, 392934, 392935, 392936, 392937, 392940, 392942 1.7.1.4 NADH enzyme is specific for NADPH, NADH reaction rate approx. 1% of NADPH rate 392929 1.7.1.4 NADPH - 392930, 392931, 392932, 392934, 392936, 392937, 392940, 392942 1.7.1.4 NADPH enzyme is specific for NADPH, NADH reaction rate approx. 1% of NADPH rate 392929 1.7.1.4 siroheme - 392930, 392931, 392932