Recombinant Human TACI/TNFRSF13B Fc Chimera Protein, CF: R&D Systems

Recombinant Human TACI/TNFRSF13B Fc Chimera Protein, CF

(2 citations)   
  • Purity
    >90%, by SDS-PAGE under reducing conditions and visualized by silver stain
  • Endotoxin Level
    <1.0 EU per 1 μg of the protein by the LAL method.
  • Activity
    Measured by its ability to inhibit BAFF-mediated proliferation of anti-IgM stimulated mouse B cells. Moore, P.A. et al. (1999) Science 285:260; Gross, J.A. et al. (2000) Nature 404:995; Schneider, P. et al. (1999) J. Exp. Med. 189:1747. The ED50 for this effect is 3‑10 ng/mL.
  • Source
    Mouse myeloma cell line, NS0-derived
    Human TACI
    (Ser2-Thr166)
    Accession # Q53F36
    DIEGRMD Human IgG1
    (Pro100-Lys330)
    N-terminus C-terminus
  • Accession #
  • N-terminal Sequence
    Analysis
    Ser2, Ser123
  • Structure / Form
    Disulfide-linked homodimer
  • Predicted Molecular Mass
    45.2 kDa (starts at Ser2, monomer)31.3 kDa (starts at Ser123, monomer)
  • SDS-PAGE
    51 kDa and 40 kDa, reducing conditions
174-TC
 
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.
Background: TACI/TNFRSF13B

TACI, transmembrane activator and CAML-interactor, is a member of the TNF receptor superfamily. TACI is a type III membrane protein with an extracellular N‑terminus in the absence of a cleaved signal sequence. The extracellular region of TACI contains two cysteine rich domains. Within the TNFRSF, it shares the highest homology with BCMA. TACI and BCMA have both been shown to bind APRIL and BAFF, members of the TNF ligand superfamily. TACI is expressed on the cell surface of B cells and activated, but not resting, T cells. Analogous to BCMA, data suggests that TACI may play an important role in B cell development, function and regulation. Human TACI is a 293 amino acid (aa) protein consisting of a 166 aa extracellular domain, a 20 aa transmembrane domain, and a 107 aa intracellular domain. Human and mouse TACI share 54% amino acid identity.

  • References:
    1. Xia, X.-Z. et al. (2000) J. Exp. Med. 192:137.
    2. von Bulow, G.U. et al. (1997) Science, 278:138.
    3. Gross, J.A. et al. (2000) Nature 404:995.
    4. Marsters, S.A. et al. (2000) Curr. Biol. 10:785.
    5. Yan, M. et al. (2000) Nature Immunol. 1:37.
    6. Wu, Y. et al. (2000) J. Biol. Chem. 275:35478.
  • Long Name:
    Transmembrane Activator and CAML Interactor/Tumor Necrosis Factor Receptor Superfamily Member 13B
  • Entrez Gene IDs:
    23495 (Human); 57916 (Mouse)
  • Alternate Names:
    CD267 antigen; CD267; CVID; CVID2; FLJ39942; MGC133214; TACI; TACIMGC39952; TNFRSF13B; TNFRSF14B; Transmembrane activator and CAML interactor; tumor necrosis factor receptor 13B; tumor necrosis factor receptor superfamily member 13B; tumor necrosis factor receptor superfamily, member 13B
Related Research Areas
Citations:

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.

2 Citations: Showing 1 - 2
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Species
Applications
Sample Type
  1. Enhanced immunogenicity of HIV-1 envelope gp140 proteins fused to APRIL.
    Authors: Isik G, Sliepen K, van Montfort T, Sanders R
    PLoS ONE, 2014;9(9):e107683.
    Species: Human
    Sample Type: Proteins
    Application: Bioassay
  2. BAFF and APRIL protect myeloma cells from apoptosis induced by interleukin 6 deprivation and dexamethasone.
    Authors: Moreaux J, Legouffe E, Jourdan E, Quittet P, Reme T, Lugagne C, Moine P, Rossi JF, Klein B, Tarte K
    Blood, 2004;103(8):3148-57.
    Species: Human
    Sample Type: Whole Cells
    Application: Bioassay
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