R&D Systems™ Recombinant SARS-CoV-2 Spike S1 HR1/HR2 His Protein, CF

Carrier-Free Recombinant Protein

Brand:  R&D Systems™ 10687-CV-100

Product Code. 18166280

Description

Measured by its binding ability in a functional ELISA with Recombinant Human ACE-2 His-tag (Catalog # 933-ZN ).

Specifications

• Accession Number: YP_009724390.1
• Formulation: Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
• Quantity: 100 μg
• Storage Requirements: Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20°C to -70°C as supplied. 1 month, 2°C to 8°C under sterile conditions after reconstitution. 3 months, -20°C to -70°C under sterile conditions after reconstitution.
• Gene Alias: SARS-CoV-2
• Reconstitution: Reconstitute at 500 μg/mL in PBS.
• Protein: SARS-CoV-2 Spike S1 Protein

• For Use With (Application): Bioactivity
• Molecular Weight (g/mol): M.W. (Observed): 125-145 kDa, under reducing conditions, M.W. (Theoretical): 92 kDa
• Source: Chinese Hamster Ovary cell line, CHO-derived sars-cov-2 Spike S1 Subunit protein SARS-CoV-2 Spike S1 (Val16-Pro681) (N-terminus) Accession # YP_009724390.1 HR1/HR2 HHHHHH (C-terminus)
• Endotoxin Concentration: <0.10 EU per 1 μg of the protein by the LAL method.
• Conjugate: Unconjugated
• Purity or Quality Grade: >95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.