Recombinant Mouse TLR3 Protein, CF Summary
Product Specifications
Cys29-Leu705, with a C-terminal 6-His tag
Analysis
Product Datasheets
Carrier Free
CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.
In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.
3005-TR
| Formulation | Lyophilized from a 0.2 μm filtered solution in PBS. |
| Reconstitution | Reconstitute at 100 μg/mL in sterile PBS. |
| Shipping | The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. |
| Stability & Storage: | Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
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Reconstitution Calculator
Background: TLR3
Mouse TLR3 is a 116 kDa type I transmembrane glycoprotein that belongs to the mammalian Toll-Like Receptor family of pathogen pattern recognition molecules (1, 2). There are at least eleven mouse and ten human members that activate the innate immune system following exposure to a variety of microbial species (3). The mouse TLR3 cDNA encodes a 905 amino acid (aa) precursor that contains a 25 aa signal sequence, a 680 aa extracellular domain (ECD), a 21 aa transmembrane segment, and a 179 aa cytoplasmic region (4). The horseshoe shaped ECD (5, 6) contains 23 leucine-rich repeats, and the cytoplasmic domain contains one
Toll/IL-1 receptor (TIR) domain. The ECD of mouse TLR3 shares 90%, 79%, and 77% aa sequence identity with the ECD of rat, human, and bovine TLR3, respectively. TLR3 is found in phagosomes (7), where the acidic pH enables binding of internalized double stranded RNA and mRNA from viruses, parasites, and necrotic virally-infected cells (8-11). Ligand binding by TLR3 induces receptor dimerization (5, 6, 8), leading to the release of inflammatory cytokines and dendritic cell maturation (9, 11-13). Mouse TLR3 is expressed in dendritic cells, macrophages, microglia, and astrocytes (13-15), and is upregulated by IFN-beta and LPS (9, 14). TLR3 expression is also induced on lung fibroblasts and epithelial cells by respiratory syncytial virus infection (12).
- Sen, G.C. and S.N. Sarkar (2005) Cytokine Growth Factor Rev. 16:1.
- Schroder, M. and A.G. Bowie (2005) Trends Immunol. 26:462.
- Hopkins, P.A. and S. Sriskandan (2005) Clin. Exp. Immunol. 140:395.
- Applequist, S.E. et al. (2002) Int. Immunol. 14:1065.
- Choe, J. et al. (2005) Science 309:581.
- Bell, J.K. et al. (2005) Proc. Natl. Acad. Sci. USA 102:10976.
- Nishiya, T. et al. (2002) J. Biol. Chem. 280:37107.
- de Bouteiller, O. et al. (2005) J. Biol. Chem. 280:38133.
- Alexopoulou, L. et al. (2001) Nature 413:732.
- Aksoy, E. et al. (2005) J. Biol. Chem. 280:277.
- Kariko, K. et al. (2004) J. Biol. Chem. 279:12542.
- Rudd, B.D. et al. (2005) J. Virol. 79:3350.
- Farina, C. et al. (2005) J. Neuroimmunol. 159:12.
- Heinz, S. et al. (2003) J. Biol. Chem. 278:21502.
- Wang, T. et al. (2004) Nat. Med. 10:1366.
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