Store vial at 4° C or at -20° C or colder prior to opening product.
One unit will cause an increase in the absorbance at 260 nm of 0.001 per minute per ml at 25° C, pH 5.0 when acting on highly polymerized DNA according to the assay method of Kunitz (J.Gen.Physiol. 33, 349 and 363 (1950)). A solution in 1 mM Calcium Chloride and 50% (v/v) glycerol.
Enzyme Concentration: 2290 units/ml or ~2.2 units/ul (100 units/vial) which approximately equals 1 mg/ml.
% Ribonuclease: None detected
% Protease: None detected
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