SARS-COV-2 Spike RBD Protein (COV-VM2BD)
Catalog: COV-VM2BD
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Product Description | Recombinant SARS-COV-2 Spike RBD Protein is expressed from Expi293 with hFc tag at the C-terminal.; It contains Arg319-Phe541. |
Product Category | Recombinant Protein |
Target | Spike RBD |
Synonyms | S protein RBD; S glycoprotein RBD; Spike protein RBD |
Gene/Protein ID | QHD43416.1 |
Species | SARS-COV-2 |
Exact Sequence | Arg319-Phe541 |
Molecular Weight | The protein has a predicted MW of 50.7 kDa. Due to glycosylation, the protein migrates to 55-70 kDa based on Tris-Bis PAGE result. |
Product Tag | C-hFc |
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. |
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