SARS-CoV-2 XBF (Omicron) Spike S1+S2 trimer Protein (ECD, His Tag)(HPLC-verified)

Samples are stable for up to twelve months from date of receipt at -20 degree C to -80 degree C. Store it under sterile conditions at -20 degree C to -80 degree C. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.