SARS Spike S1 Protein (SAR-VM4S1)

  • Express System: HEK293
  • Product Tag: C-His-Avi
  • Purity: > 95% as determined by Tris-Bis PAGE;> 95% as determined by HPLC
  • Exact Sequence: Ser14-Arg667

Catalog: SAR-VM4S1

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Product Description Recombinant SARS spike S1 protein is expressed from HEK293 with His tag and Avi tag at the C-Terminus.It contains Ser14-Arg667.

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
Synonyms S1 protein; Spike protein S1; Spike,S1 protein; S glycoprotein Subunit1

Gene/Protein ID

P59594

Species

SARS

Exact Sequence

Ser14-Arg667
Molecular Weight The protein has a predicted MW of 75.9 kDa. Due to glycosylation, the protein migrates to 100-120 kDa based on Tris-Bis PAGE result.

Product Tag

C-His-Avi

Express System

HEK293
Purity > 95% as determined by Tris-Bis 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.
The purity of SARS spike S1 is greater than 95% as determined by SEC-HPLC.
SARS Spike S1 on Tris-Bis PAGE under reduced condition. The purity is greater than 95%.

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