4-1BB ligand (4-1BBL; also CD137L) is a 32 kDa type II transmembrane protein that belongs to the TNF superfamily (TNFSF) molecules (1‑4). The human 4-1BBL cDNA encodes a 254 amino acid (aa) protein that contains a 25 aa N-terminal cytoplasmic domain, a 23 aa transmembrane segment, and a 206 aa C-terminal extracellular region (5). The extracellular domain (ECD) of 4-1BBL has a jelly-roll, beta -sandwich tertiary structure that is similar to other TNFSF members. There is only one cysteine in the human ECD, and no potential N-linked glycosylation sites. The potential exists, however, for O-linked glycosylation. The human 4-1BBL ECD shares 32% and 35% aa identity with mouse and rat ECD, respectively. In the cytoplasmic domain, human 4-1BBL is 55 aa shorter than the equivalent region in rodents. 4-1BBL is expressed by activated B cells, macrophages, dendritic cells, activated T cells, neurons and astrocytes (2, 3, 6). A 26 kDa soluble form of 4-1BBL is known to occur in humans. Although it is presumably generated by MMP activity, its amino acid size is currently unreported (4). The soluble form is bioactive. Human 4-1BBL signals through both CD137/4-1BB and itself. Its cytoplasmic tail participates in reverse signaling that induces apoptosis in T cells and cytokine secretion (IL-6; TNF-alpha ) by monocytes (7, 8). 4-1BBL binding to CD137/4-1BB produces a number of effects. It seems to play a key role in the T cell recall response. It maintains T cell numbers at the end of a primary response, and induces CD4+ and CD8+ T cells to proliferate and secrete cytokines such as IL-2 and IFN-gamma in CD4+ cells, and IFN-gamma in CD8+ cells (9, 10).
Human 4-1BB Ligand/TNFSF9 Antibody [Biotin]
R&D Systems | Catalog # BAF2295
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Key Product Details
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Applications
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Label
Antibody Source
Product Specifications
Immunogen
Arg71-Glu254
Accession # P41273
Specificity
Clonality
Host
Isotype
Scientific Data Images for Human 4-1BB Ligand/TNFSF9 Antibody [Biotin]
Detection of 4‑1BB Ligand/TNFSF9 in Human Daudi cell line by Flow Cytometry.
Human Daudi Burkitt lymphoma cell line was stained with Goat Anti-Human 4-1BB Ligand/TNFSF9 Biotinylated Polyclonal Antibody (Catalog # BAF2295, filled histogram) or control antibody (BAF108, open histogram), followed by PE-conjugated Streptavidin (F0040). Staining was performed usinig our Staining Membrane-associated Proteins protocol.Applications for Human 4-1BB Ligand/TNFSF9 Antibody [Biotin]
Flow Cytometry
Sample: Daudi human Burkitt's lymphoma cell line
Western Blot
Sample: Recombinant Human 4‑1BB Ligand/TNFSF9 (Catalog # 2295-4L)
Reviewed Applications
Read 1 review rated 5 using BAF2295 in the following applications:
Flow Cytometry Panel Builder
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Advanced Features
- Spectra Viewer - Custom analysis of spectra from multiple fluorochromes
- Spillover Popups - Visualize the spectra of individual fluorochromes
- Antigen Density Selector - Match fluorochrome brightness with antigen density
Formulation, Preparation, and Storage
Purification
Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS.
Formulation
Shipping
Stability & Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Calculators
Background: 4-1BB Ligand/TNFSF9
References
- Kwon, B. et al. (2003) Exp. Mol. Med. 35:8.
- Salih, H.R. et al. (2002) Int. J. Clin. Pharmacol. Ther. 40:348.
- Vinay, D.S. and B.S. Kwon (1998) Semin. Immunol. 1:481.
- Salih, H.R. et al. (2001) J. Immunol. 167:4059.
- Alderson, M.R. et al. (1994) Eur. J. Immunol. 24:2219.
- Reali, C. et al. (2003) J. Neurosci. Res. 74:67.
- Michel, J. et al. (1999) Immunology 98:42.
- Langstein, J. et al. (1998) J. Immunol. 160:2488.
- Wen, T. et al. (2002) J. Immunol. 168:4897.
- Dawicki, W. and T.H. Watts (2004) Eur. J. Immunol. 34:743.
Alternate Names
Gene Symbol
UniProt
Additional 4-1BB Ligand/TNFSF9 Products
Product Documents for Human 4-1BB Ligand/TNFSF9 Antibody [Biotin]
Certificate of Analysis
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Note: Certificate of Analysis not available for kit components.
Product Specific Notices for Human 4-1BB Ligand/TNFSF9 Antibody [Biotin]
For research use only
Citations for Human 4-1BB Ligand/TNFSF9 Antibody [Biotin]
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