Description
Recombinant 2019-nCoV spike protein S1 was produced in HEK293 and fused with a His tag at the C-terminus.
Alias
S protein S1; 2019-nCoV S1 protein; SARS-COV2 S1 protein; COVID-19 spike S1 protein
Molecular Mass
The recombinant 2019-nCoV spike protein S1 consists of 681 amino acids and predicts a molecular mass of 76.5 kDa.
Endotoxin Testing
<1.0 EU per μg protein as determined by the LAL method.
Purity
> 90% as determined by SDS-PAGE.
Activity
The 2019-nCoV Spike Protein (S1 Subunit, His Tag) can bind with Human ACE2 in functional ELISA assay.
Formulation
Lyophilized from sterile PBS, pH 7.4.
Storage
Store the 2019-nCoV spike protein S1 under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Warranty
For Research Use Only
