Specific activity is > 800 unit/mg, and is defined as the amount of enzyme that cleaves 1 umole of oxaloacetate and beta-NADH to L-malate and beta-NAD per minute at pH8.0 at 37°C.
Quality Control Testing:
3 ug by SDS-PAGE under reducing condition and visualized by Coomassie blue stain.
Storage Buffer:
In Phosphate-Buffer Saline pH 7.4 (20% glycerol)
Storage Instruction:
Store at 2°C to 8°C for 1 week. For long term storage, aliquot and store at -20°C to -80°C. Aliquot to avoid repeated freezing and thawing.