Store the lyophilized protein at -20C to -80C for long term.After reconstitution, the protein solution is stable at -20C for 3 months, at 2-8C for up to 1 week.or This product is stable at ? -70C for up to 6 months from the date of receipt.For optimal storage, aliquot into smaller quantities after centrifugation and store at recommended temperature.Aliquot to avoid repeated freezing and thawing._x005F_x005F_x005F_x000D__x005F_x000D__x000D_