Spike S1 (B.1.617.1; Kappa Variant), Avi-His-Tag, Biotin-Labeled (SARS-CoV-2) Recombinant

• Description:

  Recombinant SARS-CoV-2 Spike protein S1 subunit, encompassing amino acids 16-685. This protein corresponds to SARS-CoV-2 Variant B.1.617.1, also known as variant Kappa, originally identified in India. It contains mutations G142D, E154K, L452R, E484Q, D614G, and P681R. The construct also contains a C-terminal Avi-Tag™ followed by a C-terminal His-tag (6xHis) . The protein was enzymatically biotinylated using the Avi-Tag™ and affinity purified.

• UniProt:

  P0DTC2

• Tag:

  C-terminal Avi-His-Tag

• Label:

  This protein is enzymatically biotinylated using Avi-Tag™ technology. Biotinylation confirmed to be ≥90%.For more information on enzymatic biotinylation, please see ourTech Note.

• Purity:

  ≥ 90%

• Format:

  Aqueous buffer solution

• Shipping Conditions:

  -80°C

• Storage Conditions:

  At least 6 months at -80°C.

• Calculated Molecular Weight:

  78 kDa + glycans

• Formulation:

  8 mM phosphate pH 7.4,110 mM NaCl, 2.2 mM KCl, 20% glycerol

• Glycosylation:

  This protein runs at a higher MW by SDS-PAGE due to glycosylation.