Recombinant Mouse Fas/TNFRSF6/CD95 Fc Chimera Protein

Carrier Free

Catalog # Availability Size / Price Qty
435-FA-050/CF

With Carrier

Catalog # Availability Size / Price Qty
435-FA-050
R&D Systems Recombinant Proteins and Enzymes
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Product Details
Citations (5)
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Reviews (1)

Recombinant Mouse Fas/TNFRSF6/CD95 Fc Chimera Protein Summary

Product Specifications

Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Activity
Measured by its ability to inhibit Fas Ligand-induced apoptosis of Jurkat human acute T cell leukemia cells. The ED50 for this effect is 0.03‑0.1 µg/mL in the presence of 20 ng/mL recombinant human Fas-ligand.
Source
Spodoptera frugiperda, Sf 21 (baculovirus)-derived mouse Fas/TNFRSF6/CD95 protein
Mouse FAS
(Gly14 - Arg169)
Accession # P25446
DIEGRMD Human IgG1
(Pro100 - Lys330)
6-His tag
N-terminus C-terminus
Accession #
N-terminal Sequence
Analysis
Gly14
Structure / Form
Disulfide-linked homodimer
Predicted Molecular Mass
46 kDa (monomer)
SDS-PAGE
55 kDa, reducing conditions

Product Datasheets

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435-FA (with carrier)

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435-FA/CF (carrier free)

Carrier Free

What does CF mean?

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.

What formulation is right for me?

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.

435-FA

Formulation Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Reconstitution Reconstitute at 50 μg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin.
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.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.

435-FA/CF

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.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Reconstitution Calculator

Reconstitution Calculator

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Background: Fas/TNFRSF6/CD95

Fas, also known as APO‑1 or CD95, belongs to the death receptor subfamily of the TNF receptor superfamily and is designated TNFRSF6 (1 ‑ 3). Mouse Fas cDNA encodes 327 amino acids (aa) that include a 21 aa signal peptide, a 148 aa extracellular domain (ECD) that contains three cysteine‑ich TNFR repeats, a 17 aa transmembrane sequence, and a 141 aa cytoplasmic domain containing a death domain (DD), which is required for transducing apoptotic signals (4). Mature mouse Fas ECD shares 68% aa sequence identity with rat Fas, and 53 ‑ 55% with human, feline, bovine and porcine Fas. One potentially secreted 63 aa isoform diverges at aa 61 (5). The Fas ligand (FasL, TNFSF6) is a type II transmembrane protein of the TNF family that can be expressed on activated T‑lymphocytes, NK cells and cells in immune privileged sites, or shed in soluble form (2). Polymorphisms of FasL impart differing activity of Fas depending on mouse strain (6). Engagement of FAS induces oligomerization of preformed Fas trimers (1, 2). The activated receptor recruits the adaptor molecule FADD to form the Death‑Inducing Signaling Complex (DISC). Upon activation, caspases in the DISC initiate the apoptotic signaling cascade (7). Fas is prominent in epithelial cells, hepatocytes, activated mature lymphocytes, virus‑transformed lymphocytes and tumor cells. It is an essential mediator in the activation‑induced death of T lymphocytes that terminates the immune reaction (1, 2, 8). In immune‑privileged tissues, infiltrating Fas‑bearing lymphocytes and inflammatory cells are killed by FasL engagement (9). Both humans and mice with genetic defects in Fas accumulate abnormal lymphocytes and develop systemic autoimmunity (1 ‑ 3). The Fas pathway also appears to cross‑communicate with the BIM (mitochondrial/intrinsic) apoptosis pathway (1). 

References
  1. Bouillet, P. and L.A. O’Reilly (2009) Nat. Rev. Immunol. 9:514.
  2. Strasser, A. et al. (2009) Immunity 30:180.
  3. Ashkenazi, A. and V. Dixit (1999) Curr. Opin. Cell Biol. 11:255.
  4. SwissProt accession P25446.
  5. NCBI accession NP_001140180.
  6. Kayagaki, N. et al. (1997) Proc. Natl. Acad. Sci. USA 94:3914.
  7. Thorburn, A. (2003) Cellular Signaling 16:139.
  8. Barreiro, R. et al. (2004) J. Immunol. 173:1519.
  9. Ferguson, T.A. and T.S Griffith (2006) Immunol. Rev. 213:228.
Long Name
Fibroblast-associated
Entrez Gene IDs
355 (Human); 14102 (Mouse); 246097 (Rat); 102140989 (Cynomolgus Monkey); 493881 (Feline)
Alternate Names
Apo-1 antigen; Apo-1; apoptosis antigen 1; Apoptosis-mediating surface antigen FAS; APT1; APT1FASTM; CD95 antigen; CD95; CD95ALPS1A; Fas (TNF receptor superfamily, member 6); Fas AMA; Fas antigen; Fas; FAS1; FASLG receptor; TNFRSF6; TNFRSF6member 6; tumor necrosis factor receptor superfamily member 6

Citations for Recombinant Mouse Fas/TNFRSF6/CD95 Fc Chimera Protein

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

5 Citations: Showing 1 - 5
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  1. Targeting necroptosis in muscle fibers ameliorates inflammatory myopathies
    Authors: M Kamiya, F Mizoguchi, K Kawahata, D Wang, M Nishibori, J Day, C Louis, IP Wicks, H Kohsaka, S Yasuda
    Nature Communications, 2022-01-10;13(1):166.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay
  2. Signaling by the Epstein-Barr virus LMP1 protein induces potent cytotoxic CD4+ and CD8+ T cell responses
    Authors: IK Choi, Z Wang, Q Ke, M Hong, Y Qian, X Zhao, Y Liu, HJ Kim, J Ritz, H Cantor, K Rajewsky, KW Wucherpfen, B Zhang
    Proc. Natl. Acad. Sci. U.S.A., 2018-01-08;0(0):.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay
  3. Deficiency in the mitochondrial apoptotic pathway reveals the toxic potential of autophagy under ER stress conditions.
    Authors: Deegan S, Saveljeva S, Logue S, Pakos-Zebrucka K, Gupta S, Vandenabeele P, Bertrand M, Samali A
    Autophagy, 2014-01-01;10(11):1921-36.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay
  4. Tissue inhibitor of metalloproteinases-3 facilitates Fas-mediated neuronal cell death following mild ischemia.
    Authors: Wetzel M, Li L, Harms KM, Roitbak T, Ventura PB, Rosenberg GA, Khokha R, Cunningham LA
    Cell Death Differ., 2007-10-26;15(1):143-51.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay
  5. Evidence for a role for notch signaling in the cytokine-dependent survival of activated T cells.
    Authors: Bheeshmachar G, Purushotaman D, Sade H, Gunasekharan V, Rangarajan A, Sarin A
    J. Immunol., 2006-10-15;177(8):5041-50.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay

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Recombinant Mouse Fas/TNFRSF6/CD95 Fc Chimera Protein
By Anonymous on 12/16/2019
Application: Apoptosis assay