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. 2004 Dec 14;385(Pt 1):217–223. doi: 10.1042/BJ20040292

Table 2. Diphosphonicotinamide nucleotide substrate saturation kinetics of recombinant Arabidopsis NADHK.

Assays were conducted using the standard assay mixture (pH 7.9, 25 °C), except that the diphosphonicotinamide nucleotide concentration was varied.

Nicotinamide nucleotide Vmax (units·mg−1) Km (mM) Vmax/Km (units·mg−1·mM−1)
NADH 41.2±0.9 0.042±0.001 981
NAD+ 23.2±0.6 2.39±0.05 10