Cat.No. : |
Spike-10VB
Optional Service: Optional requirements on this protein
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Product Overview : |
Biotinylated Recombinant COVID-19 Spike NTD protein(YP_009724390.1) (Met1-Ser305) was expressed in HEK293, fused with a C-terminal polyhistidine tag followed by an AVI tag. |
Source : |
HEK293 |
Species : |
COVID-19 |
Tag : |
His-Avi |
Form : |
Lyophilized from sterile PBS, pH 7.4. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. |
Molecular Mass : |
The recombinant SARS-CoV-2 (2019-nCoV) Spike S1 NTD consists of 314 amino acids and predicts a molecular mass of 35.89 kDa. |
Protein length : |
Met1-Ser305 |
Endotoxin : |
< 1.0 EU per μg protein as determined by the LAL method. |
Purity : |
> 90 % as determined by SDS-PAGE. |
Storage : |
Samples are stable for up to twelve months from date of receipt at -20°C to -80°C Store it under sterile conditions at -20°C to -80°C. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles. |
Reconstitution : |
It is recommended to reconstitute the OsrhVEGF lyophilized powder in sterile water to 100-200 ug/ml, and further dilute with other solvents. The dissolved OsrhVEGF can be stored at 4°C for 2-7 days and should be used up as soon as possible. If not in use for a short time, please store at -20°C. |