Store the lyophilized protein at -20℃ to -80℃ for long term. After reconstitution to a concentration of 0.1-0.5 mg/mL in sterile distilled water, the protein solution is stable at -20℃ for 3 months, at 2-8℃ for up to 1 week. Aliquot to avoid repeated freezing and thawing.
