SARS Spike S1 Protein (SAR-VM5S1)

  • Express System: Expi293
  • Product Tag: C-hFc-Avi
  • Purity: > 95% as determined by Tris-Bis PAGE;> 95% as determined by HPLC
  • Activity: Immobilized Human ACE2 at 2μg/ml (100μl/Well).Dose response curve for SARS Spike S1, hFc Tag with the EC50 of 0.39μg/ml determined by ELISA. See testing image for detail.
  • Exact Sequence: Ser14-Arg667

Catalog: SAR-VM5S1

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Product Description Recombinant SARS spike S1 protein is expressed from Expi293 with hFc tag and Avi tag at the C-terminal.It contains Ser14-Arg667.
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 100.6 kDa. Due to glycosylation, the protein migrates to 120-140 kDa based on Tris-Bis PAGE result.
Activity Immobilized Human ACE2 at 2μg/ml (100μl/Well).Dose response curve for SARS Spike S1, hFc Tag with the EC50 of 0.39μg/ml determined by ELISA. See testing image for detail.
Product Tag C-hFc-Avi
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 (usually we use 1mg/ml solution for lyophilization). 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.
Immobilized Human ACE2 at 2μg/ml (100μl/Well).Dose response curve for SARS Spike S1, hFc Tag with the EC50 of 0.39μg/ml determined by ELISA.
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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