Preparation: Ammonium Sulfate suspension

Reaction Equation:
L-Lactate + NAD⁺ = Pyruvate + NADH

Contaminants:
Malate dehydrogenase < 0.03 %
Myokinase < 0.01 %
Pyruvate kinase < 0.003 %
Glutamic-pyruvic transaminase* < 0.03 %
Glutamic-oxaloacetic transaminase* < 0.03 %

*containing α-Hydroxyglutarate dehydrogenase activity

Specific Activity: > 300 units/mg protein

Conditions for Storage: Ammonium Sulfate suspension at 0-5°C