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Cat.No.:PKSR030518
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Synonyms | coronavirus spike Protein;cov spike Protein;ncov RBD Protein;ncov s1 Protein;ncov s2 Protein;ncov spike Protein;NCP-CoV RBD Protein;NCP-CoV s1 Protein;NCP-CoV s2 Protein;NCP-CoV Spike Protein;novel coronavirus RBD Protein;novel coronavirus s1 Protein;novel coronavirus s2 Protein;novel coronavirus spike Protein;RBD Protein;S1 Protein;S2 Protein;Spike RBD Protein;2019-nCoV |
Species | SARS-CoV-2 |
Expression_host | HEK293 Cells |
Sequence | Arg319-Phe541 |
Accession | YP_009724390.1 |
Mol_Mass | 51.8 kDa |
Tag | C-hFc |
Bio_Activity | Immobilized human ACE2 protein (His tag) at 2μg/mL (100μL/well) can bind Recombinant 2019-nCoV Spike Protein (RBD, Fc Tag)(PKSR030518), the EC50 of Recombinant 2019-nCoV Spike Protein (RBD, Fc Tag)(PKSR030518) is 2-6 ng/mL. |
Purity | > 95 % as determined by reducing SDS-PAGE. |
Endotoxin level | < 1.0 EU per μg of the protein as determined by the LAL method. |
Storage | Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months. |
Shipping | This product is provided as lyophilized powder which is shipped with ice packs. |
Formulation | Lyophilized from sterile PBS, pH 7.4. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Please refer to the specific buffer information in the printed manual. |
Reconstitution | Please refer to the printed manual for detailed information. |