Key Product Details

Species Reactivity

Validated:

Human

Cited:

Human

Applications

Validated:

Western Blot

Cited:

Immunohistochemistry-Paraffin, Western Blot, Flow Cytometry

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG1 Clone # 151307
View all IL-15R alpha Primary Antibodies »

Product Specifications

Immunogen

S. frugiperda insect ovarian cell line Sf 21-derived recombinant human IL‑15 R alpha
Ile31-Thr172
Accession # EAW86418

Specificity

Detects human IL-15 R alpha in direct ELISAs and Western blots. In direct ELISAs and Western blots, no cross-reactivity with recombinant mouse IL‑15 R alpha, recombinant human (rh) IL-2 R alpha, rhIL-2 R beta, or rhIL-2 R gamma is observed.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Applications for Human IL-15R alpha Antibody

Application
Recommended Usage

Western Blot

1 µg/mL
Sample: Recombinant Human IL‑15 R alpha Fc Chimera (Catalog # 147-IR)

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Reconstitution

Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store 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.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: IL-15R alpha

Interleukin 15 receptor alpha (IL-15 R alpha ) is a high affinity receptor that specifically binds IL-15 with high affinity and associates as a heterotrimer with the IL-2 receptors beta and gamma subunits to initiate signal transduction. IL-15 R alpha is expressed on a wide variety of T cells and B cells as well as non-lymphoid cells.
IL‑15 R alpha is a 58-60 kDa protein that shares structural similarities to the IL-2 R alpha protein. IL-15 R alpha and IL-2 R alpha genes also share similar intron-exon organization and are closely linked on human chromosome 10p14-p15. Human IL-15 R alpha shares 45% amino acid (aa) homology with the mouse form of the receptor. Eight isoforms of
IL‑15 R alpha mRNA have been identified resulting from alternative splicing events involving different exons. The exclusion of exon 2 results in an IL-15 R alpha isoform that does not bind IL-15. Human IL-15 R alpha DE3 cDNA encodes a 267 aa protein that contains a 30 aa signal sequence, a 175 aa extracellular region containing one N-linked glycosylation site, a 21 aa transmembrane domain and a 41 aa cytoplasmic tail. Signaling of IL-15 can occur in one of three ways; through the heterotrimeric complex of IL-15 R alpha, IL-2 R beta, and IL-2 R gamma c, through the heterodimeric complex of IL-2 receptors beta and gamma common, through a novel 60-65 kDa IL-15 RX subunit found on mast cells. The binding of IL-15 to IL-15 R alpha has been reported to antagonize the TNF-alpha -mediated apoptosis in fibroblasts by competing with TNF RI for TRAF2 binding.

References

  1. Anderson, D.M. et al. (1995) J. Biol. Chem. 270:29862.
  2. Bulfone-Paus, S. et al. (1999) FASEB 13:1575.
  3. Waldemann, T.A. and Y. Tagaya (1999) Ann. Rev. Immunol. 17:19.
  4. Dubois, S. et al. (1999) J. Biol. Chem. 274:26978.

Long Name

Interleukin 15 Receptor alpha

Alternate Names

CD215, IL-15 R alpha, IL-15Ra, IL15 R alpha, IL15RA

Entrez Gene IDs

3601 (Human); 16169 (Mouse); 102121571 (Cynomolgus Monkey)

Gene Symbol

IL15RA

UniProt

EAW86418

Additional IL-15R alpha Products

Product Documents for Human IL-15R alpha Antibody

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Human IL-15R alpha Antibody

For research use only

Citations for Human IL-15R alpha Antibody

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