Leadgene Leadgene
SARS-CoV-2 Nucleocapsid Protein (Omicron B1.1.529 Variant), Tag Free, E. coli
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  • Specifications
    • Species of Origin


      Expression system

      Escherichia coli

    • Affinity Tag

      Tag Free


      Lyophilized from a 0.2 µm filtered solution of PBS containing 0.5 M NaCl, pH 7.4.

    • Purity

      >90% as determined by SDS-PAGE analysis.

      Molecular weight

      The protein has a calculated MW of 45.33 kDa.
      The protein migrates about 45 kDa under reducing condition (SDS-PAGE analysis).

    • Form


  • Background
    • Background

      SARS‑CoV‑2 is a kind of coronavirus which full name is severe acute respiratory syndrome coronavirus 2. SARS‑CoV‑2 is contagious that causes the respiratory diseases and lung diseases which make difficulty breathing. SARS‑CoV‑2 do the spillover event in 2019 because it has genetic diversity. SARS-CoV-2 is composed by four subunits (spike, envelope, membrane and nucleocapsid proteins). Its RNA genome is encapsulated with nucleocapsid protein. The viral envelope is comprised of spike, envelope and membrane protein. SARS‑CoV‑2 has high affinity to ACE2, which is highly expression in intestines, kidney, and heart.


      Nucleoprotein, Nucleocapsid protein, NC Protein N

    • Uniprot ID


      Sequence Note


  • Instruction
    • Reconstitution

      It is recommended to reconstitute the lyophilized protein in sterile H₂O to a concentration not less than 200 μg/mL and incubate the stock solution for at least 20 min to ensure sufficient re-dissolved.


      The product is shipped with polar packs. Upon receipt, store it immediately at -20°C or lower for long term storage.

    • Stability & Storage

      This product is stable after storage at:

      • -20°C for 12 months in lyophilized state from date of receipt.
      • -20°C or -80°C for 1 month under sterile conditions after reconstitution.

      Avoid repeated freeze/thaw cycles.

  • Image
    SDS-PAGE analysis of Human SARS-CoV-2 nucleocapsid protein (Omicron B1.1.529 Variant).

    SDS-PAGE analysis of Human SARS-CoV-2 nucleocapsid protein (Omicron B1.1.529 Variant).

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  • Datasheet & Documents

Disclaimer:For Research Use or Further Manufacturing Only.

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