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Cat.No.:PKSR030514
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Synonyms | coronavirus spike;cov spike;ncov RBD;ncov s1;ncov s2;ncov spike;NCP-CoV RBD;NCP-CoV s1;NCP-CoV s2;NCP-CoV Spike;novel coronavirus RBD;novel coronavirus s1;novel coronavirus s2;novel coronavirus spike;RBD;S1;S2;Spike RBD |
Species | SARS-CoV-2 |
Expression_host | Baculovirus-Insect Cells |
Sequence | Met1-Arg685 |
Accession | YP_009724390.1 |
Mol_Mass | 76.4 kDa |
Tag | C-His |
Bio_Activity | Immobilized Recombinant Human ACE2 Protein (mFc Tag)(Cat: PKSR030509) at 2 μg/mL (100 μL/well) can bind Recombinant 2019-nCoV S1 Protein, Biotinylated (His Tag) (Cat: PKSR030514), the EC50 of Recombinant 2019-nCoV S1 Protein, Biotinylated (His Tag) (Cat: PKSR030514) is 300-700 ng/mL. |
Purity | > 90 % 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 20 mM Tris, 300 mM NaCl, 10 % glycerol, pH 7.5. 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. |