Table II.

Kinetic parameters of Arabidopsis AAO4, obtained with partially purified protein

SubstrateKmVmaxkcatkcat/Km
μmnmol s−1 mg−1s−1μm−1 s−1
BD23.81.295.24.0
NAD+ (with BD)58.13.2253.94.37
Indole-3-acetaldehyde2,0701,5011,9040.92
Cinnamylaldehyde103.95.5436.54.2