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R&D Systems™ Recombinant SARS-CoV-2 B.1.617.1 S Alexa Fluor™ 647 Protein

Product Code. 18798836
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20 μg
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Product Code. 18798836

Brand: R&D Systems™ AFR10861020

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Description

(GCN4-IZ) His-tag, Kappa Variant

Measured by flow cytometry for its ability to bind HEK293 human embryonic kidney cells transfected with human ACE-2 at 0.25-1.00 μg/mL (100 μL/well). Please Note: Optimal dilutions should be determined by each laboratory for each application.
TRUSTED_SUSTAINABILITY

Specifications

Accession Number YP_009724390.1
For Use With (Application) Bioactivity
Formulation Supplied as a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Gene ID (Entrez) 43740568
Molecular Weight (g/mol) M.W.-theroretical: 138 kDa, M.W.-observed: 139-167 kDa, under reducing conditions.
Quantity 20 μg
Source Human embryonic kidney cell, HEK293-derived sars-cov-2 Spike protein Recombinant SARS-CoV-2 Spike (Val16-Lys1211)(Gly142Asp, Glu154Lys, Leu452Arg, Glu484Gln, Asp614Gly, Pro681Arg, Gln1071His)(Arg682Ser, Arg685Ser, Lys986Pro, Val987Pro) (c-terminus) Accession # YP_009724390.1 GCN4-IZ 6-His tag N-terminus C-terminμs
Storage Requirements Protect from light. Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 6 months from date of receipt, -20°C to -70°C as supplied. 1 month, 2°C to 8°C under sterile conditions after opening. 3 months, -20°C to -70°C under sterile conditions after opening.
Endotoxin Concentration <1.0 EU / 1 μg of the protein by the LAL method.
Gene Alias 2019-nCoV S Protein, 2019-nCoV Spike, COVID-19 Spike, E2, Human coronavirus spike glycoprotein, Peplomer protein, S glycoprotein, S Protein, SARS-CoV-2, SARS-COV-2 S protein, SARS-COV-2 Spike glycoprotein, SARSCOV2 Spike protein, Severe Acute Respiratory Syndrome Coronavirus 2 Spike Protein, Spike glycoprotein, surface glycoprotein
Conjugate Alexa Fluor 647
Purity or Quality Grade >95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Protein SARS-CoV-2 Spike
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