CD40L/CD154/TRAP Protein, Rabbit (His)
Based on 1 Customer Validation
CD40L (CD154; TRAP) is a ligand to CD40/TNFRSF5, acts function by generating a costimulatory signal that up-regulates IL-4 synthesis. CD40L is specifically expressed on activated CD4+ T-lymphocytes and involves in activation of NF-κB/MAPK pathway. CD40L also involves in B cell differentiation, maturation, and apoptosis. CD40L in Rabbit, cleaved into a soluble form, acts as a ligand for integrins (ITGA5:ITGB1 and ITGAV:ITGB3). CD40L/CD154/TRAP Protein, Rabbit (His) has a total length of 149 amino acids (M113-L261), is expressed in E. coli cells with N-terminal 6*His-tag.
- Species: Rabbit
- Source: E. coli
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Storage:Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
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Biological Activity
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Technical Parameters
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Product Properties
- Documentation
- References
- Help & FAQs
Biological Activity
CD40L (CD154; TRAP) is a ligand to CD40/TNFRSF5, acts function by generating a costimulatory signal that up-regulates IL-4 synthesis[1]. CD40L is specifically expressed on activated CD4+ T-lymphocytes and involves in activation of NF-κB/MAPK pathway[2][3]. CD40L also involves in B cell differentiation, maturation, and apoptosis[4]. CD40L in Rabbit, cleaved into a soluble form, acts as a ligand for integrins (ITGA5:ITGB1 and ITGAV:ITGB3). CD40L/CD154/TRAP Protein, Rabbit (His) has a total length of 149 amino acids (M113-L261), is expressed in E. coli cells with N-terminal 6*His-tag.
CD40 Ligand (CD40L; CD154; TRAP) belongs to the tumor necrosis factor (TNF) family, is the ligand for CD40/TNFRSF5, specifically expressed on activated CD4+ T-lymphocytes[1].
CD40L is a type II transmembrane protein on B cells triggers important signals for B cell differentiation, maturation, and apoptosis[4].
CD40L acts function by cross-linking on T-cells to generate a costimulatory signal and thus enhances the production of IL4 and IL10 in conjunction with the TCR/CD3 ligation and CD28 costimulation, as well as promoting the production of interferon-γ, and TNF-α[1][4].
CD40L, binding with CD40 on antigen-presenting cells (APC), activates TNFR-associated factor 2- and IKK2-dependent pathways with stimulating I-κB kinase (IKK), increasing NF-κB DNA binding, and p65 nuclear translocation. The activation of I-κB kinase leads to strongly c-Jun N-terminal kinase activation as well as GST-I-κB and GST-p65 phosphorylation[2].
CD40L involves in MAPK pathways that strongly repress Bcl-6 with inducing the phosphorylation of Erk1/2, p38 and Jnk1/2 and activating IRF4 mediated by NF-κB[3].
CD40L also binds to and signals through several integrins, including αvβ3 and α5β1, which bind to the trimeric interface of CD40L. CD40L plays a major role in immune response and is a major target for inflammation[5].
Technical Parameters
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Species Rabbit
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Source E. coli
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Tag N-6*His
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Accession
G1SKP7 (M113-L261)
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Molecular Construction
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N-term
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6*His
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CD40L (M113-L261)
Accession # G1SKP7 -
C-term
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Protein Length
Partial
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Synonyms
CD40LG; T-BAM; Prev. TNFSF5; Tumor Necrosis Factor (Ligand) Superfamily Member 5; Prev. HIGM1; Tumor Necrosis Factor Ligand Superfamily Member 5; Prev. IMD3; T-B Cell-Activating Molecule; CD40-L; CD40 Antigen Ligand; CD40L; T-Cell Antigen Gp39; TRAP; Tumo
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AA Sequence
MQKGDQDPQIAAHLISEASSKSSSVLQWAKKGYYTMSNTLVTLENGKQLKVKRQGFYYIYAQVTFCSNQEPSSQAPFIASLCLKSSGGSERILLRAANARSSSKTCEQQSIHLGGVFELQADASVFVNVTDASQVNHGTGFTSFGLLKL
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Predicted Molecular Mass
20.2 kDa
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Purity
≥ 90%, as determined by reducing SDS-PAGE.
Product Properties
Lyophilized powder.
Lyophilized from a 0.22 μm filtered solution of 10 mM Tris-HCl, 1 mM EDTA, 6% trehalose, pH 8.0.
Note: For SPR assay, please replace the buffer. Primary amine components (e.g., Tris, imidazole) can affect protein-coupled chips.
<1 EU/μg, determined by LAL method.
It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O.
Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
Room temperature in continental US; may vary elsewhere.
Documentation
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Data Sheet (265 KB)
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SDS (251 KB)
- English - EN (251 KB)
- Français - FR (251 KB)
- Deutsch - DE (251 KB)
- Norwegian - NO (251 KB)
- Español - ES (251 KB)
- Swedish - SV (251 KB)
- Italian - IT (251 KB)
- Korean - KR (251 KB)
- Portuguese - PT (251 KB)
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Handling Instructions (2659 KB)
References
[1]. Blotta MH, et al. Cross-linking of the CD40 ligand on human CD4+ T lymphocytes generates a costimulatory signal that up-regulates IL-4 synthesis. J Immunol. 1996 May 1;156(9):3133-40. [Content Brief]
[2]. Schwabe RF, et al. CD40 activates NF-kappa B and c-Jun N-terminal kinase and enhances chemokine secretion on activated human hepatic stellate cells. J Immunol. 2001 Jun 1;166(11):6812-9. [Content Brief]
[3]. Batlle A, et al. CD40 and B-cell receptor signalling induce MAPK family members that can either induce or repress Bcl-6 expression. Mol Immunol. 2009 May;46(8-9):1727-35. [Content Brief]
[4]. Mikolajczak SA, et al. The modulation of CD40 ligand signaling by transmembrane CD28 splice variant in human T cells. J Exp Med. 2004 Apr 5;199(7):1025-31. [Content Brief]
[5]. Takada YK, et al. Soluble CD40L activates soluble and cell-surface integrin αvβ3, α5β1, and α4β1 by binding to the allosteric ligand-binding site (site 2). J Biol Chem. 2021 Jan-Jun;296:100399. [Content Brief]
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
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