Specific Activity: Greater than 3,100 U/mg

Concentration: 2.0±0.3 mg/mL

State: Solution (10mM HEPES (pH 7.4) - 0.15M NaCl - 5 mM CaCl₂)

Purity: A single major 20 kd band in SDS-PAGE (1mg protein application)

Protein concentration: About 2.0 mg/mL

Storage: -80°C for long-term storage

Precautions: Avoid repeated freezing and thawing.
Once it was thawed, it is recommended to divide some aliquots into several tubes and keep at -80°C before use.