Reactivity | MuSpecies Glossary |
Applications | WB, IP, B/N |
Clone | 55R170 |
Clonality | Monoclonal |
Host | Hamster |
Conjugate | Unconjugated |
Immunogen | Recombinant mouse TNF RI/TNFRSF1A Extracellular domain |
Specificity | Detects mouse TNF RI/TNFRSF1A in direct ELISAs and Western blots. In direct ELISAs, no cross-reactivity with recombinant human (rh) 4‑1BB, rhCD27, rhCD30, recombinant mouse (rm) CD27, rmCD30, rhCD40, rmCD40, rhDR3, rhDR6, rmEDAR, rhFas, rmFas, rhEDAR, rhGITR, rmGITR, rhHVEM, rhLT beta R, rmLT beta R, rhNGF R, rhOPG, rmOPG, rhRANK, rmRANK, rhTAJ, rhTNF RI, rhTNF RII or rmTNF RII is observed. |
Source | N/A |
Isotype | IgG |
Clonality | Monoclonal |
Host | Hamster |
Gene | TNFRSF1A |
Purity Statement | Protein A or G purified from hybridoma culture supernatant |
Endotoxin Note | <0.10 EU per 1 μg of the antibody by the LAL method. |
Innovator's Reward | Test in a species/application not listed above to receive a full credit towards a future purchase. |
Dilutions |
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Publications |
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Storage | Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
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Buffer | Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS. |
Preservative | No Preservative |
Reconstitution Instructions | Reconstitute at 0.5 mg/mL in sterile PBS. |
TNF receptor 1 (TNF RI; also called TNF R-p55/p60 and TNFRSF1A) is a type I transmembrane protein member of the TNF receptor superfamily, designated TNFRSF1A (1, 2). Both TNF RI and TNF RII (TNFRSF1B) are widely expressed and contain four TNF-alpha trimer-binding cysteine-rich domains (CRD) in their extracellular domains (ECD). However, TNF RI is thought to mediate most of the cellular effects of TNF-alpha (3). It is essential for proper development of lymph node germinal centers and Peyer’s patches, and for combating intracellular pathogens such as Listeria (1‑3). TNF RI is also a receptor for TNF-beta /TNFSF1B (lymphotoxin-alpha ) (4). TNF RI is present on the cell surface as a trimer of 55 kDa subunits (4, 5). TNF-alpha induces sequestering of TNF RI in lipid rafts, where it activates NF kappa B and is cleaved by ADAM-17/TACE (9, 10). Release of the 28 - 34 kDa TNF RI ECD also occurs constitutively and in response to products of pathogens such as LPS, CpG DNA or S. aureus protein A (1, 6‑8). Full-length TNF RI may also be released in exosome-like vesicles (11). Release helps to resolve inflammatory reactions, since it down-regulates cell surface TNF RI and provides soluble TNF RI to bind TNF-alpha (6, 12, 13). Exclusion from lipid rafts causes endocytosis of TNF RI complexes and induces apoptosis (1). Mouse TNF RI is a 454 amino acid (aa) protein that contains a 21 aa signal sequence, a 191 aa ECD with a PLAD domain (5) that mediates constitutive trimer formation, followed by the four CRD, a 23 aa transmembrane domain, and a 219 aa cytoplasmic sequence that contains a neutral sphingomyelinase activation domain and a death domain (15). The ECD of mouse TNF RI shows 67%, 70%, 64%, 70% and 88% aa identity with canine, feline, porcine, human, and rat TNF RI, respectively; it shows 23% aa identity with the ECD of TNF RII.
Secondary Antibodies |
Isotype Controls |
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Gene Symbol | TNFRSF1A |