Human CD81, His Tag, CHO

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Catalog Number

LDG132PHM

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• Specifications

  • Species of Origin

    Human

    Expression System

    CHO

  • Affinity Tag

    His Tag (N-term)

    Storage Buffer

    Lyophilized from a 0.2 µm filtered solution of PBS, pH 7.4.

  • Purity

    >95% as determined by SDS-PAGE analysis.

    Molecular weight

    The protein has a calculated MW of 10.57 kDa.
    The protein migrates as 6-8 kDa under reducing condition (SDS-PAGE analysis).

  • Activity

    Measured by its ability to bind human CD81 Antibody in functional ELISA. Immobilized Recombinant human CD81 Protein can bind human CD81 Antibody.

    Endotoxin Level

    <0.1 EU per 1 μg of the protein by the LAL method.

  • Form

    Lyophilized

• Background

  • Background

    CD81 (TAPA-1) is a tetraspanin involved in immune cell activation, viral entry, and signal transduction, critical in hepatitis C infection.

    Synonyms

    CD81 antigen, 26 kDa cell surface protein TAPA-1, Target of the antiproliferative antibody 1, Tetraspanin-28, Tspan-28, CD81

  • Uniprot ID

    P60033

    Sequence Note

    Phe113-Lys201

• Instruction

  • Reconstitution

    It is recommended to reconstitute the lyophilized protein in sterile H₂O to a concentration of 200 μg/mL and incubate the stock solution for at least 20 min to ensure sufficient re-dissolved.

    Shipping

    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

  HPLC analysis of recombinant Human CD81, His Tag, CHO.
  The purity of Human CD81 Protein is greater than 95% as determined by RP-HPLC.

  SDS-PAGE analysis of recombinant Human CD81.

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• Datasheet & Documents

  Datasheet

  MSDS

  Manual

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Disclaimer：For Research Use or Further Manufacturing Only.

Last updated：2026.09.14