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Your Position: Home > Protein > IFN-alpha/beta R1 > IF1-H5253

Human IFN-alpha / beta R1 Protein, Fc Tag

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  • Synonym
    IFNAR1,IFNAR,CRF2-1,IFN-R-1,IFNAR-1
  • Source
    Human IFNAR1, Fc Tag (IF1-H5253) is expressed from human 293 cells (HEK293). It contains AA Lys 28 - Lys 436 (Accession # NP_000620).
    Predicted N-terminus: Lys 28
  • Molecular Characterization
    Online(Lys 28 - Lys 436) NP_000620

    This protein carries a human IgG1 Fc tag at the C-terminus.

    The protein has a calculated MW of 73.8 kDa. The protein migrates as 100-130 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

  • Endotoxin
    Less than 1.0 EU per μg by the LAL method.
  • Purity

    >90% as determined by SDS-PAGE.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in Tris with Glycine, Arginine and NaCl, pH7.5. Normally trehalose is added as protectant before lyophilization.

    Contact us for customized product form or formulation.

  • Reconstitution

    Please see Certificate of Analysis for specific instructions.

    For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

  • Storage

    For long term storage, the product should be stored at lyophilized state at -20°C or lower.

    Please avoid repeated freeze-thaw cycles.

    This product is stable after storage at:

    1. -20°C to -70°C for 12 months in lyophilized state;
    2. -70°C for 3 months under sterile conditions after reconstitution.
SDS-PAGE
Human IFNAR1, Fc Tag (Cat. No. IF1-H5253) SDS-PAGE gel

Human IFNAR1, Fc Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90%.

Bioactivity-BLI
Human_FcRn_Heterodimer_Protein_Bli

Loaded Human IFN-alpha 1, His Tag (Cat. No. IFA-H52H9) on HIS1K Biosensor, can bind Human IFNAR1, Fc Tag (Cat. No. IF1-H5253) with an affinity constant of 0.191 μM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).

  • Background
    Interferon alpha/beta receptor 1 ( IFNAR1) is also known as Cytokine receptor class-II member 1, Cytokine receptor family 2 member 1 (CRF2-1), Type I interferon receptor 1, IFNAR, which belongs to the type II cytokine receptor family. IFNAR1 /IFNAR contains four fibronectin type-III domains. IFNAR1 associates with IFNAR2 to form the type I interferon receptor. IFNAR1 is receptor for interferons alpha and beta. IFNAR1 can transduce IFNB signals without the help of IFNAR2, and not activating the Jak-STAT pathway.
  • Clinical and Translational Updates
      
  • Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.

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