Sterile filtered clear solution. Protein solution (0.25 mg/ml) is formulated in 20mM Tris-HCl buffer (pH7.5) 1mM DTT, 0.2M NaCl and 50% glycerol.
保存建议
Store at 4 degree C if entire vial will be used within 2-4 weeks. Store, frozen at -20 degree C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid multiple freeze-thaw cycles.