Human IL-1 RAcP/IL-1 R3 Antibody

Recombinant Monoclonal Antibody.
  
  • Species Reactivity
    Human
  • Specificity
    Detects human IL-1RAcP/IL-1R3 in direct ELISAs.
  • Source
    Recombinant Monoclonal Mouse IgG1 Clone # 89412R
  • Purification
    Protein A or G purified from cell culture supernatant
  • Immunogen
    S. frugiperda insect ovarian cell line Sf21-derived recombinant human IL-1RAcP/IL-1 R3
    Ser21-Glu359
    Accession # Q9NPH3
  • Formulation
    Supplied as a solution in PBS. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Flow Cytometry
    0.25 µg/106 cells
    See below
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Examples
Detection of IL‑1 RAcP/IL‑1 R3 in Human PBMC by Flow Cytometry. Human peripheral blood monocytes were stained with Human IL‑1 RAcP/IL‑1 R3 Recombinant Monoclonal Antibody (Catalog # MAB676R, filled histogram) or isotype control antibody (Catalog # MAB002, open histogram), followed by Phycoerythrin-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # F0102B).
Preparation and Storage
  • Shipping
    The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • 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 opening.
    • 6 months, -20 to -70 °C under sterile conditions after opening.
Background: IL-1 RAcP/IL-1 R3

IL-1 Receptor Accessory Protein (also IL-1 R3) is a ubiquitous 70-90 kDa member of the interleukin-1 receptor family of proteins (1-5). It serves as a non-ligand-binding accessory component of the receptors for IL-1 alpha, IL-1 beta, and IL-33 (6, 7). Together with IRAK4 and MyD88, it generates a functional signaling complex with IL-1 RI; by itself, it generates a non-signaling, but high-affinity binding complex with IL-1 RII (8). In addition, it interacts with ST2 on mast cells and Th2 T cells to create a functional IL-33 receptor complex (7). Mature human IL-1 RAcP is a type I transmembrane glycoprotein that is 550 amino acids in length. It contains a 347 amino acid (aa) extracellular region (aa 21-367), a 21 aa transmembrane segment, and a 182 aa cytoplasmic domain (9). The extracellular region shows three C2-type Ig-like domains, the most membrane proximal of which is suggested to be responsible for dimerization with IL-1 RI (10). There are three alternative splice forms reported for IL-1 RAcP. One is transmembrane and shows a 239 aa substitution for the C-terminal 122 amino acids (11). The other two are soluble; one shows a six aa substitution for aa 351-570, while a second shows a 45 aa substitution for aa 302-579 (12, 13). The soluble receptor isoforms appear to be inhibitory to IL-1 signaling. When present with soluble IL-1 RII, soluble IL-1 RAcP increases the IL-1 binding affinity of IL-1 RII more than 100-fold, thus neutralizing the effects of IL-1 (14). The human and mouse IL-1 RAcP precursors are 89% aa identical; within the extracellular region, they share 86% aa identity.

  • References:
    1. Subramaniam, S. et al. (2004) Dev. Comp. Immunol. 28:415.
    2. Boraschi, D. and A. Tagliabue (2006) Vitam. Horm. 74:229.
    3. Dunne, A. and L.A.J. O'Neill (2003) Sci STKE. Feb 25;2003(171):re3.
    4. Huang, J. et al. (1997) Proc. Natl. Acad. Sci. USA 94:12829.
    5. Greenfeder, S. A. et al. (1995) J. Biol. Chem. 270:13757.
    6. Brikos, C. et al. (2007) Mol. Cell. Proteomics 6:1551.
    7. Chackerian, A.A. et al. (2007) J. Immunol. 179:2551.
    8. Lang, D. et al. (1998) J. Immunol. 161:6871.
    9. SwissProt. Accession # Q9NPH3.
    10. Yoon, D-Y. and C.A. Dinarello (1998) J. Immunol. 160:3170.
    11. Lu, H-L. et al. (2008) Mol. Immunol. 45:1374.
    12. Jensen, L.E. et al. (2000) J. Immunol. 164:5277.
    13. Jensen, L.E. and A.S. Whitehead (2003) Cell. Signal. 15:793.
    14. Smith, D.E. et al. (2003) Immunity 18:87.
     
  • Long Name:
    Interleukin 1 Receptor Accessory Protein
  • Entrez Gene IDs:
    3556 (Human); 16180 (Mouse)
  • Alternate Names:
    C3orf13IL-1RAcPIL1R3Interleukin-1 receptor 3; FLJ37788; IL-1 R3; IL-1 RAcP; IL-1 receptor accessory protein; IL-1R3; IL-1R-3; IL1RAcP; IL-1RAcP; IL1RAP; interleukin 1 receptor accessory protein; interleukin-1 receptor accessory protein beta; interleukin-1 receptor accessory protein
Related Research Areas
Isotype Controls
Description Application Cat# Citations Images  

Mouse IgG1 Isotype Control

Ctrl MAB002 138  
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Mouse IgG1 Isotype Control

Ctrl MAB002R 1
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Secondary Antibodies
Description Application Cat# Citations Images  

Mouse IgG HRP-conjugated Antibody

WB HAF007 26  
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Mouse F(ab)2 IgG (H+L) PE-conjugated Antibody

Flow F0102B 10  
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Donkey Anti-Mouse IgG NorthernLights™ NL557-conjugate Antibody

Flow, IHC, ICC NL007 9
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Donkey Anti-Mouse IgG Biotinylated Antibody

WB BAF018 1
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Mouse IgG HRP-conjugated Antibody

WB HAF018 9  
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Donkey Anti-Mouse IgG NorthernLights™ NL637-conjugated Antibody

Flow, IHC, ICC NL008 8
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Mouse F(ab)2 IgG (H+L) APC-conjugated Antibody

Flow F0101B 2  
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Donkey Anti-Mouse IgG NorthernLights™ NL493-conjugated Antibody

Flow, IHC, ICC NL009 5
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Mouse F(ab)2 IgG (H+L) Fluorescein-conjugated Antibody

Flow F0103B 5  
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Goat Anti-Mouse IgG Biotinylated Antibody

WB BAF007 4
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Mouse IgG Antibody

WB AF007 4
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Mouse/Rabbit IgG VisUCyte HRP Polymer Antibody

IHC VC002  
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Mouse IgG VisUCyte HRP Polymer Antibody

IHC VC001  
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Goat Anti-Mouse IgG Fc Affinity Purified Polyclonal Ab

G-202-C 2
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Mouse F(ab)2 IgG (H+L) PerCP-conjugated Antibody

Flow F0114  
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