Preparation: Ammonium Sulfate suspension

Reaction Equation:
L-Malate + NAD⁺ = Oxalacetate + NADH

Contaminants:
Fumarase (L-malate) < 0.01 %
L-Lactate dehydrogenase (NADH) < 0.01 %
Glutamic-oxalacetic transaminase < 0.01 %
Glutamate dehydrogenase (NAD⁺) < 0.002 %
NADH oxidase < 0.001 %

Specific Activity: > 1,100 units/mg protein

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