SARS-COV-2 Spike S1 NTD Protein (COV-VM1SN)

  • Express System: Expi293
  • Product Tag: C-His-Flag
  • Purity: > 95% as determined by Tris-Bis PAGE;> 95% as determined by HPLC
  • Exact Sequence: Val16-Ser305

Catalog: COV-VM1SN


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Product Description Recombinant SARS-COV-2 Spike S1 NTD Protein is expressed from Expi293 with His tag and Flag tag at the C-terminal.It contains Val16-Ser305.
Product Category Recombinant Protein
Target Spike S1 NTD
Synonyms S1 protein NTD,Spike glycoprotein Subunit1 NTD,S glycoprotein Subunit1 NTD,Spike protein S1 NTD
Gene/Protein ID QHD43416.1
Species SARS-COV-2
Exact Sequence Val16-Ser305
Molecular Weight The protein has a predicted MW of 35 kDa. Due to glycosylation, the protein migrates to 55-70 kDa based on Tris-Bis PAGE result.
Product Tag C-His-Flag
Express System Expi293
Purity > 95% as determined by Tris-Bis PAGE;> 95% as determined by HPLC
Endotoxin Less than 1EU per μg by the LAL method.
Form Lyophilized
Shipping Shipped at ambient temperature.
Formulation Lyophilized from 0.22μm filtered solution in PBS (pH 7.4). Normally 5% trehalose is added as protectant before lyophilization.
Reconstitution Centrifuge tubes before opening. Reconstituting to a concentration more than 100 μg/ml is recommended. Dissolve the lyophilized protein in distilled water.
Stability And Storage Reconstituted protein stable at -80°C for 12 months, 4°C for 1 week. Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
The purity of SARS-COV-2 Spike S1 NTD is greater than 95% as determined by SEC-HPLC.
SARS-COV-2 Spike S1 NTD on Tris-Bis PAGE under reduced condition. The purity is greater than 95%.

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