R&D Systems™ Recombinant SARS-CoV-2 Spike RBD His-tag Avi-tag Protein

Description

Biotinylated

Measured by its binding ability in a functional ELISA with Recombinant Human ACE-2 Fc Chimera (Catalog # 10544-ZN).

Specifications

• Accession Number: YP_009724390.1
• For Use With (Application): Bioactivity
• Formulation: Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
• Molecular Weight (g/mol): M.W.-observed: 34-41 kDa, under reducing conditions, M.W.-theroretical: 29 kDa
• Quantity: 50 μg
• Source: Human embryonic kidney cell, HEK293-derived sars-cov-2 Spike RBD protein SARS-CoV-2 Spike RBD (Arg319 - Phe541) (N-terminus) Accession # YP_009724390.1 6-His tag Avi-tag (C-terminus)
• 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.
• Endotoxin Concentration: <0.10 EU / 1 μg of the protein by the LAL method.
• Conjugate: Biotin
• Reconstitution: Reconstitute at 500 μg/mL in PBS.
• Purity or Quality Grade: >95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
• Protein: Spike RBD