Recombinant SARS-CoV-2 S1+S2 ECD (S-ECD) Protein with His tag (Mutants introduced)

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