Human IL-18 R alpha /IL-1 R5 Biotinylated Antibody

Catalog #: BAF840 Datasheet / COA / SDS

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BAF840

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Human IL-18 R alpha /IL-1 R5 Biotinylated Antibody Summary

Species Reactivity

Human

Specificity

Detects human IL‑18 R alpha /IL‑1 R5 in Western blots. In Western blots, approximately 25% cross-reactivity with recombinant mouse IL-18 R alpha is observed.

Source

Polyclonal Goat IgG

Purification

Antigen Affinity-purified

Immunogen

Mouse myeloma cell line NS0-derived recombinant human IL‑18 R alpha /IL‑1 R5
Glu20-Arg329
Accession # Q13478

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.

Label

Biotin

Applications

Recommended Concentration

Sample

Western Blot

0.1 µg/mL

Recombinant Human IL‑18 R alpha /IL‑1 R5 Fc Chimera (Catalog # 816-LR)

Flow Cytometry

2.5 µg/10⁶ cells

Human CD3 activated T cells treated with PHA and Recombinant Human IL‑2 (Catalog # 202-IL)

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.

Reconstitution Calculator

Preparation and Storage

Reconstitution

Reconstitute at 0.2 mg/mL in sterile PBS.

Reconstitution Buffer Available

Reconstitution Buffer 1 (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.
6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: IL-18 R alpha/IL-1 R5

Interleukin 18 (IL-18) is a member of the IL-1 family of cytokines and shares numerous immuno-regulatory functions with IL-12. The functional IL-18 receptor complex is composed of two subunits designated IL-18 R alpha (also termed IL-1 R5 and IL-1 Rrp) and IL-18 R beta (also termed IL-1 R7 and AcPL). Both IL-18 R alpha and IL-18 R beta belong to the IL-1 receptor superfamily. Although IL-18 R by itself binds IL-18 with low-affinity and IL-18 R beta does not bind IL-18 in vitro, co-expression of IL-18 R alpha and
IL‑18 R beta is required for high-affinity binding and IL-18 responsiveness. Human IL-18 R cDNA encodes a 541 amino acid (aa) precursor type I membrane protein with a hydrophobic signal, an extracellular domain comprised of three immunoglobulin-like domains, a transmembrane domain and a cytoplasmic region of approximately 200 aa residues. Human and mouse IL-18 R share 65% amino acid sequence homology. IL-18 R is widely expressed in numerous tissues including spleen, thymus, leukocyte, liver, lung, heart, small and large intestine, prostate, and placenta.

References

Parnet, P. et al. (1996) J. Biol. Chem. 271:3967.
Torigoe, K. et al. (1997) J. Biol. Chem. 272:25737.
Born, T.L. et al. (1998) J. Biol. Chem. 273:29445.

Long Name

Interleukin 18 Receptor alpha

Entrez Gene IDs

8809 (Human); 16182 (Mouse)

Alternate Names

CD218a; CD218a;CDw218a;IL18R1;IL18RA;IL-18Ralpha;IL-18R-alpha;IL18Ralpha2;IL1RRP;IL-1Rrp;Interleukin-18 receptor 1; IL-1 R5; IL-1 Rrp; IL-18 R alpha; IL-18 R1; IL18R alpha; IL18R1; IL-18Ra