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Your Position: Home > Agonist > 4-1BB > 41B-M82E8

Biotinylated Mouse 4-1BB / TNFRSF9 (24-211) Protein, Avitag™,His Tag

Recommended Hot Products: SP-11 Streptavidin Coated Plates, Clear, 96-Well  STN-N5116 Recombinant Streptavidin  SMB-B01 Magnetic Beads™ Streptavidin 
Based on the high binding affinity between biotin-streptavidin systems, our Streptavidin series products are recommended to use together with biotinylated proteins to get lower non-specific binding results in a shorter time.
  • Synonym
    TNFRSF9,4-1BB,CD137,CDw137,ILA
  • Source
    Biotinylated Mouse 4-1BB (24-211), Avitag,His Tag (41B-M82E8) is expressed from human 293 cells (HEK293). It contains AA Val 24 - Leu 211 (Accession # Q8R037-1).
    Predicted N-terminus: Val 24
  • Molecular Characterization
    Online(Val 24 - Leu 211) Q8R037-1

    This protein carries an Avi tag (Avitag™) at the C-terminus, followed by a polyhistidine tag.

    The protein has a calculated MW of 24.5 kDa. The protein migrates as 30-45 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

  • Biotinylation
    Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.
  • Biotin:Protein Ratio
    Passed as determined by the HABA assay / binding ELISA.
  • 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 PBS, pH7.4. 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
Biotinylated Mouse 4-1BB (24-211), Avitag,His Tag (Cat. No. 41B-M82E8) SDS-PAGE gel

Biotinylated Mouse 4-1BB (24-211), Avitag,His Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 90%.

Bioactivity-ELISA
Biotinylated Mouse 4-1BB (24-211), Avitag,His TagBiotinylated Mouse 4-1BB (24-211), Avitag,His Tag (Cat. No. 41B-M82E8) ELISA bioactivity

Immobilized Biotinylated Mouse 4-1BB / TNFRSF9 (24-211), Avitag,His Tag (Cat. No. 41B-M82E8) at 1 μg/mL (100 μL/well) on streptavidin (Cat. No. STN-N5116) precoated (0.5 μg/well) plate can bind Mouse 4-1BB Ligand, Fc Tag (Cat. No. 41L-M5257) with a linear range of 0.3-2 ng/mL (QC tested).

Biotinylated Mouse 4-1BB (24-211), Avitag,His TagBiotinylated Mouse 4-1BB (24-211), Avitag,His Tag (Cat. No. 41B-M82E8) ELISA bioactivity

Immobilized Mouse 4-1BB Ligand, Fc Tag (Cat. No. 41L-M5257) at 5 μg/mL (100 μL/well) can bind Biotinylated Mouse 4-1BB / TNFRSF9 (24-211), Avitag,His Tag (Cat. No. 41B-M82E8) with a linear range of 0.3-20 ng/mL (Routinely tested).

  • Background
    4-1BB is also known as CD137, tumor necrosis factor receptor superfamily member 9 (TNFRSF9), induced by lymphocyte activation (ILA), is a co-stimulatory molecule of the tumor necrosis factor (TNF) receptor superfamily. CD137 can be expressed by activated T cells, but to a larger extent on CD8 than on CD4 T cells. In addition, CD137 expression is found on dendritic cells, follicular dendritic cells, natural killer cells, granulocytes and cells of blood vessel walls at sites of inflammation. The best characterized activity of CD137 is its costimulatory activity for activated T cells. Crosslinking of CD137 enhances T cell proliferation, IL-2 secretion survival and cytolytic activity. Further, it can enhance immune activity to eliminate tumors in mice. CD137 can enhance activation-induced T cell apoptosis when triggered by engagement of the TCR/CD3 complex. In addition, 4-1BB/4-1BBL co-stimulatory pathway has been shown to augment secondary CTL responses to several viruses, and meanwhile augment anti-tumor immunity. 4-1BB thus is a promising candidate for immunotherapy of human cancer. CD137 has been shown to interact with TRAF2.
  • Clinical and Translational Updates
      
  • Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.

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