SARS-CoV-2 (COVID-19) Spike S1 Recombinant Protein (biotin)

• Catalog Number: orb1231049
• Category: Proteins
• Description: SARS-CoV-2 (COVID-19) Spike S1 Recombinant Protein (biotin)
• Concentration: 1mg/ml after reconstitution.
• Dilution range: This protein forms a tetramer in the presence of streptavidin and this tetramer can be used to activate B cell memory to SARS-CoV-2 Spike protein.
• Form/Appearance: Lyophilized
• Purity: ≥95% (SDS-PAGE)
• MW: ~35kDa (SDS-PAGE)
• Target: S
• UniProt ID: P0DTC2
• Protein Sequence: Receptor-binding domain (RBD) of SARS-CoV-2 Spike protein S1 (aa 319-541) is fused at the C-terminus to a His-tag.
• Source: HEK293 cells
• Biological Activity: Binds to anti-SARS-CoV-2 Spike (RBD) antibodies in serum or plasma.
• NCBI: QHD43416.1
• Storage: Short Term StorageL: +4°C, Long Term Storage: -20°C, Handling Advice: After opening, prepare aliquots and store at -20°C. Avoid freeze/thaw cycles. For maximum product recovery after thawing, centrifuge the vial before opening the cap. Use/Stability: Stable for at least 6 months after receipt when stored at -20°C. Working aliquots are stable for up to 3 months when stored at -20°C.
• Buffer/Preservatives: Lyophilized. Contains PBS.
• Alternative names: 2019-nCoV Spike Protein S1 (RBD); Spike Receptor B
• Note: For research use only
• Application notes: This protein forms a tetramer in the presence of streptavidin and this tetramer can be used to activate B cell memory to SARS-CoV-2 Spike protein.
• Expiration Date: 6 months from date of receipt.