SARS-COV-2 Spike S1 NTD Protein (COV-VM1SN)
SARS-COV-2 Spike S1 NTD Protein (COV-VM1SN)
  • Express System: HEK293
  • Product Tag: C-His-Flag
  • Purity: > 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC
  • Amino Acid Range: Val16-Ser305
Catalog #COV-VM1SN
Regular price $330.00
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Product Description
Recombinant SARS-COV-2 Spike S1 NTD Protein is expressed from HEK293 with His tag and Flag tag at the C-Terminus.It contains Val16-Ser305.
Product Background
The spike protein (S) of coronavirus (CoV) attaches the virus to its cellular receptor, angiotensin-converting enzyme 2 (ACE2). A defined receptor-binding domain (RBD) on S mediates this interaction.The S protein plays key parts in the induction of neutralizing-antibody and T-cell responses, as well as protective immunity.
Product Category
Recombinant Protein
Target
Spike S1 NTD
Synonyms
S1 protein NTD,Spike glycoprotein Subunit1 NTD,S glycoprotein Subunit1 NTD,Spike protein S1 NTD
Accession
Species
SARS-COV-2
Biotinylated
no
Amino Acid Range
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 Bis-Tris PAGE result.
Product Tag
C-His-Flag
Express System
HEK293
Purity
> 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC
Endotoxin
Less than 1EU per ug by the LAL method.
Form
Lyophilized
Shipping
Shipped at ambient temperature.
Formulation
Lyophilized from 0.22um filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization.
Reconstitution
Centrifuge the tube before opening. Reconstituting to a concentration more than 100 ug/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.
SARS-COV-2 Spike S1 NTD on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.
The purity of SARS-COV-2 Spike S1 NTD is greater than 95% as determined by SEC-HPLC.

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