Species of Origin:
SARS-CoV

Expression System:
HEK293

Affinity Tag:
Endotoxin level :
<0.1 EU per 1 μg of the protein by the LAL method.

Purity :
>90% as determined by SDS-PAGE analysis.

Formulation :
Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4.

Reconstitution :
It is recommended to reconstitute the lyophilized protein in sterile H₂O to a concentration not less than 200 μg/mL and incubate the stock solution for at least 20 min to ensure sufficient re-dissolved.

Stability & Storage :
This product is stable after storage at:

• -20°C for 12 months in lyophilized state from date of receipt.
• -20°C or -80°C for 1 month under sterile conditions after reconstitution.

Avoid repeated freeze/thaw cycles.