50 mM Tris pH 7.5, 150 mM NaCl, 0.02% Triton X-100, 0.5 mM EDTA, 2 mM DTT, 50% glycerol.
For maximum recovery please spin prior to use. Aliquoting the 5 µg, 10 µg, and 20 µg sizes of kinase is not recommended as materials can be used in original packaging until exhausted. For larger sizes, the number of freeze/thaws may be reduced by preparing aliquots; aliquots below 20 µL are not recommended. Never store a kinase diluted. If properly stored at -80°C, this product is guaranteed for 6 months from date of purchase.