- SPECIES: Mouse
- SOURCE SPECIES: HEK293 cells
- RECOMBINANT PROTEIN SEQUENCE: Val 24 - Leu 211
- FUSION TAG: His Tag
- TESTED APPLICATIONS: E, WB
- APPLICATION NOTE: This recombinant protein can be used for E, WB. For research use only.
- PREDICTED MOLECULAR WEIGHT: 22 kDa
- BIOLOGICAL ACTIVITY: Measured by its binding ability in a functional ELISA. Immobilized Mouse 4-1BB, His Tag at 0.5 ug/mL (100 ul/well),can bind Mouse 4-1BB Ligand , Fc Tag with a linear of 0.1-3 ng/mL.
- PURITY: >95% as determined by SDS-PAGE.
Endotoxin level is less than 1.0 EU per ug by the LAL method.
- PHYSICAL STATE: Lyophilized
- BUFFER: PBS, pH7.4
- STORAGE CONDITIONS: Lyophilized Protein should be stored at -20°C or lower for long term storage. Upon reconstitution, working aliquots should be stored at -20°C or -70°C. Avoid repeated freeze-thaw cycles.
- NCBI OFFICIAL SYMBOL: 4-1BB
- ADDITIONAL NAMES: 4-1BB
- Protein Accession Number: NP_001070976
- NCBI GENE ID NUMBER: 21942
- 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.
- 1: Cooper D, et al., 2002, Eur. J. Immunol. 32 (2): 521–9.
- 2: Jang, I K., et al., 1998, Biochem. Biophys. Res. Commun. (UNITED STATES) 242 (3): 613–20.
- 3: Arch, R H., Thompson C B., 1998, Mol. Cell. Biol. (UNITED STATES) 18 (1): 558–65.
- FOR RESEARCH USE ONLY
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CATALOG NUMBER: 96-965
- Size: 0.1 mg
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