Human IL-13 R alpha 1 Alexa Fluor® 488-conjugated Antibody

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FAB1462G-100UG
R&D Systems Antibodies
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Human IL-13 R alpha 1 Alexa Fluor® 488-conjugated Antibody Summary

Species Reactivity
Human
Specificity
Detects human IL-13 R alpha 1 in direct ELISAs and Western blots. In direct ELISAs and Western blots, no cross-reactivity with recombinant mouse IL-13 R alpha 1, recombinant human (rh) IL-13 R alpha 2, rhIL-4 R, rhIL-5 R beta, or rhIL-9 R is observed.
Source
Monoclonal Mouse IgG2b Clone # 419718
Immunogen
Mouse myeloma cell line NS0-derived recombinant human IL‑13 R alpha 1
Ala27-Thr343
Accession # P78552
Formulation
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.
Label
Alexa Fluor 488 (Excitation= 488 nm, Emission= 515-545 nm)

Applications

Recommended Concentration
Sample
Flow Cytometry
0.25-1 µg/106 cells
Human peripheral blood granulocytes

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.

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Preparation and Storage

Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Store the unopened product at 2 - 8 °C. Do not use past expiration date.

Background: IL-13 R alpha 1

Two type 1 membrane proteins belonging to the hemopoietin receptor family have been cloned and shown to bind IL-13 with differing affinities. The lower affinity IL-13 binding protein, previously designated IL-13 R alpha, IL-13 R alpha or NR4, is now referred to as IL-13 R alpha 1. The high-affinity IL-13 binding protein, previously also designated IL-13 R or IL-13 R alpha ', is now referred to as IL-13 R alpha 2.

The human IL-13 R alpha 1 was originally cloned based on sequence homology to the mouse IL-13 R alpha 1. The IL-13 R alpha 1 cDNA encodes a 427 amino acid (aa) precursor protein with a putative 21 aa signal peptide, a 324 aa extracellular domain, a 23 aa transmembrane region and a 59 aa cytoplasmic tail. Human and mouse IL-13 R alpha 1 share 76% aa sequence identity. The extracellular domain of IL-13 R alpha 1 is also closely related to that of IL-13 R alpha 2. IL‑13 R alpha 1 has been shown to combine with the IL-4 R alpha to form a high-affinity receptor complex capable of transducing an IL-13-dependent proliferative signal. The role of IL-13 R alpha 2 in IL-13 signaling remains to be elucidated.

References
  1. Caput, D. et al. (1996) J. Biol. Chem. 271:16921.
  2. Donaldson, D.D. et al. (1998) J. Immunol. 161:2317.
  3. Aman, M.J. et al. (1996) J. Biol. Chem. 271:29265.
  4. Hilton, D.J. et al. (1996) Proc. Natl. Acad. Sci. USA 93:497.
  5. Zhang, J.G. et al. (1997) J. Biol. Chem. 272:9474.
Long Name
Interleukin 13 Receptor alpha 1
Entrez Gene IDs
3597 (Human); 16164 (Mouse)
Alternate Names
bB128O4.2.1 (interleukin 13 receptor, alpha 1); Cancer/testis antigen 19; CD213a1 antigen; CD213a1; CT19; IL-13 R alpha 1; IL13 receptor alpha-1 chain; IL-13 receptor subunit alpha-1; IL13R alpha 1; IL-13R subunit alpha-1; IL13R; IL13RA; IL-13Ra; IL13RA1; IL-13Ra1; IL-13R-alpha-1; interleukin 13 receptor, alpha 1; interleukin-13 receptor subunit alpha-1; NR4

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