2019-nCoV Spike Protein S1 (His Tag)

Endotoxin< 1.0 EU per μg protein as determined by the LAL method.

Activity The 2019-nCoV Spike Protein (S1 Subunit, His Tag) can bind with Human ACE2 in functional ELISA assay.

Expressed HostHEK293 Cells

Protein Construction A DNA sequence encoding the NCP-CoV(2019-nCoV) spike protein S1 Subunit was expressed with a polyhistidine tag at the C-terminus.

Molecule Mass The recombinant NCP-CoV(2019-nCoV) Spike Protein (S1 Subunit, His Tag) consists of 681 amino acids and predicts a molecular mass of 76.5 kDa.

Form Lyophilized from sterile PBS, pH 7.4.

Please contact us for any concerns or special requirements.

Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization.

Storage Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃

Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.