Supplied as a liquid in 5Mm Tris-HCl, pH 7.5, 5mM 2-mercaptoethanol, 5mM EDTA.
保存建议
May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. (Add fresh 2-mercaptoethanol to a concentration of 5mM after prolonged storage.) Aliquots are stable for 6 months after receipt at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
