R&D Systems™ Recombinant SARS-CoV-2 BA.2 Spike RBD Fc Chimera Protein

Omicron Variant

Brand:  R&D Systems™ 11148-CV-100

Product Code. 18746216

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.
• Conjugate: Unconjugated
• Purity or Quality Grade: >95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.

• For Use With (Application): Bioactivity
• Molecular Weight (g/mol): M.W.-observed: 59-65 kDa, under reducing conditions., M.W.-theroretical: 52 kDa
• Source: Human embryonic kidney cell, HEK293-derived sars-cov-2 Spike RBD protein SARS-CoV-2 BA0.2 Spike RBD (Arg319-Phe541) (Gly339Asp, Ser371Phe, Ser373Pro, Ser375Phe, Thr376Ala, Asp405Asn, Arg408Ser, Lys417Asn, Asn440Lys, Ser477Asn, Thr478Lys, Glu484Ala, Gln493Arg, Gln498Arg, Asn501Tyr, Tyr505His) (C-terminus) Accession # YP_009724390.1 IEGRMD Human IgG1 (Pro100-Lys330) (N-terminus)
• Endotoxin Concentration: <0.10 EU / 1 μg of the protein by the LAL method.
• Reconstitution: Reconstitute at 500 μg/mL in PBS.
• Protein: Spike RBD