Render Target: STATIC
Render Timestamp: 2024-11-21T13:50:21.229Z
Commit: 5c4accf06eb7154018ba3f54329c7590f97f534a
XML generation date: 2024-09-30 01:55:30.846
Product last modified at: 2024-09-30T08:02:00.608Z
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PDP - Template Name: Monoclonal Antibody
PDP - Template ID: *******c5e4b77
R Recombinant
Recombinant: Superior lot-to-lot consistency, continuous supply, and animal-free manufacturing.

IL-2Rβ (D4X3H) Rabbit mAb #46307

Filter:
  • WB
  • IP

    Supporting Data

    REACTIVITY H
    SENSITIVITY Endogenous
    MW (kDa) 79
    Source/Isotype Rabbit IgG
    Application Key:
    • WB-Western Blotting 
    • IP-Immunoprecipitation 
    Species Cross-Reactivity Key:
    • H-Human 

    Product Information

    Product Usage Information

    Application Dilution
    Western Blotting 1:1000
    Immunoprecipitation 1:50

    Storage

    Supplied in 10mM sodium HEPES (pH 7.5), 150mM NaCl, 100 μg/ml, 50% glycerol and less than 0.02% sodium azide. Store at -20ºC. Do not aliquot the antibody.

    Protocol

    Specificity / Sensitivity

    IL-2Rβ (D4X3H) Rabbit mAb recognizes endogenous levels of total IL-2Rβ protein. This antibody cross-reacts with proteins of unknown identity at 38-42 kDa.

    Species Reactivity:

    Human

    Source / Purification

    Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Leu428 of human IL-2Rβ protein.

    Background

    Interleukin-2 (IL-2) is a T cell stimulatory cytokine best known for inducing T cell proliferation and NK cell proliferation and activation (1,2). IL-2 also promotes peripheral development of regulatory T cells (Tregs) (3,4). Conversely, IL-2 is involved in the activation-induced cell death (AICD) that is observed post T cell expansion by increasing levels of Fas on CD4+ T cells (5). The effects of IL-2 are mediated through a trimeric receptor complex consisting of IL-2Rα, IL-2Rβ, and the common gamma chain, γc (1,2). IL-2Rα binds exclusively to IL-2 with low affinity and increases the binding affinity of the whole receptor complex including IL-2Rβ and γc subunits. IL-15 also binds to IL-2Rβ (1,2). γc is used by other cytokines, including IL-4, IL-7, IL-9, IL-15, and IL-21 (1,2). Binding of IL-2 initiates signaling cascades involving Jak1, Jak3, Stat5, and the PI3K/Akt pathways (1,2).

    IL-2Rβ, also known as CD122, is a type I transmembrane protein that is expressed by natural killer cells and certain subsets of T cells in the periphery (6). IL-2Rβ surface expression is upregulated following antigen-induced activation. A heteromeric complex composed of IL-2Rβ and γc forms the intermediate affinity IL-2 receptor whereas a complex comprised of all three chains forms the high affinity receptor. Signaling through IL-2Rβ is mediated by Jak1 (7), which phosphorylates numerous tyrosine residues in the cytoplasmic tail to promote the recruitment of the adaptor Shc to IL-2Rβ and enhance IL-2 receptor signaling (8, 9).
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