Name: NAD(P)H (acceptor) oxydoreductase
Appearance: Yellowish amorphous powder, lyophilized
Activity: Grade III, 500 U/mg-solid or more
Contaminants: Myokinase: ≤ 5.0×10-1 %, NADH oxidase: ≤ 1.0×10-1 %
Stability: Stable at -20 °C for at least 12 months
Molecular: weight 48,000
Michaelis constants: 2.2×10-4 M (NADH), 2.9×10-2 M (NADPH)
Inhibitors: Fe3+, Mn2+, Cu2+, Pb2+
Isoelectric point: 5.0
Optimum: pH 8.0
Optimum temperature: 60°C
pH Stability: 5.0 – 10.0
Thermal stability: below 70°C
Substrate specificity: Either NADH or NADPH can be used as a reductant.
EC # 1.6.99.-