- 4B4-1 (See other available formats)
- Regulatory Status
- VI C-7
- Other Names
- 4-1BB, ILA, CD137, TNFRSF9
- Mouse IgG1, κ
- Ave. Rating
- Submit a Review
- Product Citations
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CD137 is a 39 kD transmembrane protein also known as 4-1BB. It is expressed on activated T cells. CD137 is a type I membrane protein and a member of the tumor necrosis factor receptor superfamily. CD137 appears to be important for T cell proliferation and survival, and induces monocyte activation through its interaction with 4-1BB ligand.Product Details
- Human, Cross-Reactivity: Chimpanzee, Baboon, Cynomolgus, Rhesus
- Antibody Type
- Host Species
- Ectodomain of recombinant human 4-1BB fusion protein
- Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and 0.2% (w/v) BSA (origin USA).
- The antibody was purified by affinity chromatography and conjugated with Alexa Fluor® 647 under optimal conditions.
- Lot-specific (please contact technical support for concentration and total µg amount, or use our Lookup tool if you have a lot number.)
- Storage & Handling
- The antibody solution should be stored undiluted between 2°C and 8°C, and protected from prolonged exposure to light. Do not freeze.
FC - Quality tested
- Recommended Usage
Each lot of this antibody is quality control tested by immunofluorescent staining with flow cytometric analysis. For flow cytometric staining, the suggested use of this reagent is 5 µl per million cells in 100 µl staining volume or 5 µl per 100 µl of whole blood.
* Alexa Fluor® 647 has a maximum emission of 668 nm when it is excited at 633 nm / 635 nm.
Alexa Fluor® and Pacific Blue™ are trademarks of Life Technologies Corporation.
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- Excitation Laser
Red Laser (633 nm)
- Application Notes
Additional reported applications (for the relevant formats) include: immunoprecipitation1,4, inhibition of cytokine production2,3, and ELISA. For most successful immunofluorescent staining results, it may be important to maximize signal over background by using a relatively bright fluorochrome-antibody conjugate (Cat. No. 309804) or by using a high sensitivity, three-layer staining technique (e.g., including a biotinylated anti-mouse IgG second step (Cat. No. 405303), followed by Streptavidin-PE (Cat. No. 405204)).
(PubMed link indicates BioLegend citation)
- Garni-Wagner B, et al. 1996. Cell. Immunol. 169:91. (IP)
- Salih HR, et al. 2000. J. Immunol. 165:2903. (FA)
- Kienzle G, et al. 2000. Int. Immunol. 12:73. (FA)
- Langstein J, et al. 1998. J. Immunol. 160:2488. (IP)
- Product Citations
AB_2566257 (BioLegend Cat. No. 309823)
AB_2566258 (BioLegend Cat. No. 309824)
- TNFR superfamily, type I transmembrane protein, 30 kD
Activated T cells
- T cell costimulation
- 4-1BB ligand
- Cell Type
- T cells
- Biology Area
- Costimulatory Molecules, Immunology
- Molecular Family
- CD Molecules
- Antigen References
1. Gruss H, et al. 1995. Blood 85:3378.
2. Sica G, et al. 2000. Adv. Exp. Med. Biol. 465:355.
3. Alderson M, et al. 1994. Eur. J. Immunol. 24:2219.
4. Schwarz H, et al. 1996. Blood 87:2839.
- Gene ID
- 3604 View all products for this Gene ID
- View information about CD137 on UniProt.org
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