Recombinant Human LTBR Protein (C-Fc)

Beta LifeScience SKU/CAT #: BL-2353NP
BL-2353NP: Greater than 95% as determined by reducing SDS-PAGE. (QC verified)
BL-2353NP: Greater than 95% as determined by reducing SDS-PAGE. (QC verified)

Recombinant Human LTBR Protein (C-Fc)

Beta LifeScience SKU/CAT #: BL-2353NP
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Product Overview

Description Recombinant Human Lymphotoxin Beta Receptor is produced by our Mammalian expression system and the target gene encoding Gln31-Met227 is expressed with a human IgG1 Fc tag at the C-terminus.
Accession P36941
Synonym Tumor Necrosis Factor Receptor Superfamily Member 3; Lymphotoxin-Beta Receptor; Tumor Necrosis Factor C Receptor; Tumor Necrosis Factor Receptor 2-Related Protein; Tumor Necrosis Factor Receptor Type III; TNF-RIII; TNFR-III; LTBR; D12S370; TNFCR; TNFR3; TNFRSF3
Gene Background Tumor necrosis factor receptor superfamily member 3, also known as Lymphotoxin-beta receptor,Tumor necrosis factor C receptor,Tumor necrosis factor receptor 2-related protein,Tumor necrosis factor receptor type III,LTBR,TNFCR, TNFR3 and TNFRSF3, is a member of the tumor necrosis factor (TNF) family of receptors. LTBR is a single-pass type I membrane protein and contains four TNFR-Cys repeats. It is expressed on the surface of most cell types, but not on T and B lymphocytes. LTBR and its ligand play a role in the development and organization of lymphoid tissue and transformed cells. Activation of LTBR can trigger apoptosis. In addition, LTBR can lead to the release of the cytokine interleukin 8.
Molecular Mass 48.8 KDa
Apmol Mass 61 KDa, reducing conditions
Formulation Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4.
Endotoxin Less than 0.1 ng/µg (1 EU/µg) as determined by LAL test.
Purity Greater than 95% as determined by reducing SDS-PAGE. (QC verified)
Biological Activity Not tested
Reconstitution Always centrifuge tubes before opening. Do not mix by vortex or pipetting. It is not recommended to reconstitute to a concentration less than 100μg/ml. Dissolve the lyophilized protein in distilled water. Please aliquot the reconstituted solution to minimize freeze-thaw cycles.
Storage Lyophilized protein should be stored at ≤ -20°C, stable for one year after receipt. Reconstituted protein solution can be stored at 2-8°C for 2-7 days. Aliquots of reconstituted samples are stable at ≤ -20°C for 3 months.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature listed below.
Usage For Research Use Only

Target Details

Target Function Receptor for the heterotrimeric lymphotoxin containing LTA and LTB, and for TNFS14/LIGHT. Promotes apoptosis via TRAF3 and TRAF5. May play a role in the development of lymphoid organs.
Subcellular Location Membrane; Single-pass type I membrane protein.
Database References

Gene Functions References

  1. the lymphotoxin beta receptor (LTbetaR) to elicit the fast release of NF-kappaB inducing kinase (NIK) from the receptor complex leading to non-canonical NF-kappaB signaling. PMID: 29329668
  2. these results suggest that the LTBR rs12354 polymorphism might be associated with the spontaneous resolution of hepatitis B virus infection PMID: 28575727
  3. LTBR and BCLAF1 showed higher DNA methylation percentages in the marsupialized OKCs, but this difference did not affect gene expression (P > .05). PMID: 28864293
  4. membrane-bound lymphotoxin-beta receptor (LTbetaR) and CXC chemokine receptor 2 (CXCR2), is involved in type B EAE development PMID: 27820602
  5. LIGHT and LTBR interaction increases the survival and proliferation of human bone marrow-derived mesenchymal stem cells, and therefore, LIGHT might play an important role in stem cell therapy. PMID: 27835685
  6. We found that LTbetaR polymorphisms caused severe BPH. Thus, LTbetaR may contribute to the risk of BPH development. PMID: 26782510
  7. activation enhances the LPS-induced expression of IL-8 through NF-kappaB and IRF-1 PMID: 25887375
  8. LIGHT, via LTbetaR signaling, may contribute to exacerbation of airway neutrophilic inflammation through cytokine and chemokine production by bronchial epithelial cells. PMID: 25501580
  9. Relative expression of HVEM and LTbetaR modulates canonical NF-kappaB and pro-apoptotic signals stimulated by LIGHT. PMID: 24980868
  10. lymphotoxin-B-specific receptor. PMID: 24563505
  11. Dimerization of LTbetaR by LTalpha1beta2 is necessary and sufficient for signal transduction. PMID: 24248355
  12. Results suggest that blockade of lymphotoxin-beta receptor (LTBR) pathways may have therapeutic potential for treatment of Sjogren's syndrome. PMID: 22044682
  13. LTBR gene polymorphisms may be associated with risk of IgA nephropathy in Korean children PMID: 22417320
  14. show that a cognate interaction between LTalphabeta on CD4(+) helper T cells and LTbeta receptor on DCs results in unique signals that are necessary for optimal CD8(+) T-cell expansion via a type I IFN-dependent mechanism PMID: 21245292
  15. These results indicated that AdipoR1 interacted with LTBR and mediated the inhibition of LTBR-activated NF-kappaB pathway. PMID: 21195057
  16. LTbetaR levels are independently associated with atherosclerosis in multiple vascular beds PMID: 20599198
  17. Increased potential for LTbeta receptor signaling, coupled with increased bioavailability due to lower decoy receptor-3 (DcR3) avidity, provides a mechanism for polymorphic variants in LIGHT to contribute to the pathogenesis of inflammatory diseases. PMID: 20592286
  18. the LTbetaR modifies the ubiquitin:NIK E3 ligase, and also acts as an allosteric regulator of the ubiquitin:TRAF E3 ligase PMID: 20348096
  19. Modulation of cellular TRAF3 levels may thus contribute to regulation of NFkappaB-dependent gene expression by LTBR by affecting the balance of LTBR-dependent activation of canonical and non-canonical NFkappaB pathways. PMID: 20185819
  20. Lymphotoxin beta receptor induces interleukin 8 gene expression via NF-kappaB and AP-1 activation.(AP-1) PMID: 12169272
  21. The NF-kappa B activation in lymphotoxin beta receptor signaling depends on the phosphorylation of p65 at serine 536. PMID: 12419817
  22. Data show that mRNA encoding LIGHT and its receptors [HVEM, LTbetaR, and TR6 (DcR3)] are present in placentas and cytotrophoblast cells at term. PMID: 12466117
  23. GA-binding protein (GABP) and Sp1 and retinoid receptors are required to mediate retinoic acid responsiveness of CD18 transcriptional activation in myeloid cells. PMID: 12485937
  24. ASK1 is one of the factors involved in the caspase-independent pathway of LTbetaR-induced cell death. PMID: 12566458
  25. TRAF2, TRAF3, cIAP1, Smac, and lymphotoxin beta receptor associate and are involved in apoptosis PMID: 12571250
  26. LTbetaR, CD40 and TANK interact with TRAF3 at sites that promote molecular interactions driving specific signaling PMID: 14517219
  27. both LTbetaR and HVEM can discriminatively mediate the expression of different genes in cultured human umbilical vein endothelial cells, including LIGHT, a proinflammatory cytokine PMID: 15917993
  28. Signaling through the lymphotoxin beta receptor (LTbetaR) expressed on mature hepatocytes induces massive hepatomegaly; LTbetaR and its ligands define a new pathway in supporting liver regeneration PMID: 16002734
  29. Blockade of TNFSF14 signaling caused a substantial reduction in the expression of lymphotoxin beta receptor (LTbetaR)-controlled migration factors within the islets and disrupts organization of tertiary structures, leading to prevention of diabetes. PMID: 16934497
  30. membrane-bound receptor that mediates apoptosis (LTbetaR) was present in syncytiotrophoblast and cytotrophoblast cells in all samples but were detected in placental stromal cells only at week 8 and thereafter PMID: 17010447
  31. Evidence in this review indicates that double positive-thymocytes regulate the differentiation of early thymocyte progenitors and gamma delta T cells through a mechanism dependent on LT beta receptor. PMID: 17336158
  32. These results define a model for the study of inflammatory lymphangiogenesis in the thyroid and implicate lymphotoxin beta receptor signaling in this process. PMID: 17360402
  33. This review discusses recent studies indicating that LT beta R signaling is required for liver regeneration, hepatitis, and hepatic lipid metabolism. PMID: 17896993
  34. Lymphotoxin beta receptor ligation directly activates gene expression in human vascular endothelial cells via both noncanonical and classical NF-kappa B pathways. PMID: 18292573
  35. LTbeta-R constitutively induces NF-kappaB activation, and this event may be associated with autonomous growth of melanoma cells. PMID: 18347013
  36. lymphotoxin beta receptor (LTbetaR) was detected in Rheumatoid arthritis fibroblast-like synoviocytes PMID: 18412315


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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.

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