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Your Position: Home > Protein > CRTAM > CRM-C5255

Cynomolgus CRTAM Protein, Fc Tag

  • Synonym
    CRTAM,CD355
  • Source
    Cynomolgus CRTAM, Fc Tag (CRM-C5255) is expressed from human 293 cells (HEK293). It contains AA Ser 18 - Gly 287 (Accession # XP_005580021.1).
    Predicted N-terminus: Ser 18
  • Molecular Characterization
    Online(Ser 18 - Gly 287) XP_005580021.1

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

    The protein has a calculated MW of 56.6 kDa. The protein migrates as 66-95 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

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

    >95% 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
Cynomolgus CRTAM, Fc Tag (Cat. No. CRM-C5255) SDS-PAGE gel

Cynomolgus CRTAM, Fc Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.

Bioactivity-ELISA
Cynomolgus CRTAM, Fc TagCynomolgus CRTAM, Fc Tag (Cat. No. CRM-C5255) ELISA bioactivity

Immobilized Human CADM1, His Tag (Cat. No. CA1-H5225) at 5 μg/mL (100 μL/well) can bind Cynomolgus CRTAM, Fc Tag (Cat. No. CRM-C5255) with a linear range of 0.6-10 ng/mL (QC tested).

Bioactivity-BLI
Human_FcRn_Heterodimer_Protein_Bli

Loaded Cynomolgus CRTAM, Fc Tag (Cat. No. CRM-C5255) on Protein A Biosensor, can bind Human CADM1, His Tag (Cat. No. CA1-H5225) with an affinity constant of 37.7 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).

  • Background
    Class I-restricted T cell-associated molecule (CRTAM), a member of nectin family and the immunoglobulin superfamily, is also known as cytotoxic and regulatory T-cell molecule, which is expressed by activated CD8+ and NK T cells. CRTAM is found in spleen, thymus, small intestine, peripheral blood, and surprisingly, in brain where it is highly expressed by Purkinje cells of the cerebellum. The high affinity of CRTAM/IGSF4 adhesion allows CRTAM to disrupt IGSF4 homotypic interactions (3 - 5). IGSF4 and T cell receptor co-engagement of CRTAM-expressing CD8+ cells induces increased IFN-gamma or IL-22 production (3, 4). Furthermore, a role in cancer surveillance through NK cell-mediated rejection of IGSF4-expressing tumors has been proposed.
  • Clinical and Translational Updates
      
  • Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.

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