Human IL-18 R beta /IL-1 R7 Biotinylated Antibody

Catalog #: BAF118 Datasheet / COA / SDS

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BAF118

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Human IL-18 R beta /IL-1 R7 Biotinylated Antibody Summary

Species Reactivity

Human

Specificity

Detects human IL‑18 R beta /IL‑1 R7 in Western blots. In Western blots, approximately 5% cross-reactivity with recombinant mouse IL‑18 R beta is observed and less than 1% cross-reactivity with recombinant human (rh) rhIL-18 R, rhIL-1 RI, rhIL-1 RII, and rhIL-1 Rrp2 is observed.

Source

Polyclonal Goat IgG

Purification

Antigen Affinity-purified

Immunogen

Mouse myeloma cell line NS0-derived recombinant human IL‑18 R beta /IL‑1 R7
Phe20-Arg356
Accession # O95256

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 beta /IL‑1 R7 Fc Chimera (Catalog # 118-AP)

Flow Cytometry

2.5 µg/10⁶ cells

KG‑1 human acute myelogenous leukemia cell line

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 beta/IL-1 R7

IL-18, originally described as an interferon-gamma inducing factor (IGIF), is a member of the IL-1 family of cytokines that has multiple immunoregulatory functions. It has potent IFN-gamma inducing activities and plays a key role in the activation of T helper type 1 (Th1) responses. The functional IL-18 receptor complex consists of two components, the IL‑18 R alpha (IL-1 R5) and IL-18 R beta (also termed IL-1 R7 and AcPL) subunits. Both subunits are members of the IL-1 receptor superfamily. Although IL‑18 R alpha 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 beta cDNA encodes a 599 amino acid (aa) residue precursor type I membrane protein with a 14 aa signal peptide, a 342 aa extracellular region containing three immunoglobulin-like domains, a single transmembrane domain and a 222 aa cytoplasmic domain. Human and mouse IL-18 R beta share 65% aa sequence identity. The expression of IL-18 R beta parallels that of IL-18 R alpha and is detected in numerous tissues including lung, spleen, leukocytes and colon.

References

Born, T.L. et al. (1998) J. Biol. Chem. 273:29445.
Okamura, H. et al. (2000) in Cytokine Reference, Vol. 2:1605, Academic Press.

Long Name

Interleukin 18 Receptor beta

Entrez Gene IDs

8807 (Human); 16174 (Mouse)

Alternate Names

Accessory protein-like; AcPL; CD218 antigen-like family member B; CD218b antigen; CD218b; CDw218b; IL-1 R7; IL-18 R beta; IL-18 receptor accessory protein; IL-18 receptor beta; IL18R beta; IL-18RAcP; IL18RAP; IL18RB; IL-18Rb; IL-18Rbeta; IL-18R-beta; IL-1R accessory protein-like; IL1R7; IL-1R7; IL-1R-7; IL-1RAcPL; interleukin 18 receptor accessory protein; Interleukin-1 receptor 7; interleukin-18 receptor accessory protein; Interleukin-18 receptor accessory protein-like; Interleukin-18 receptor beta; MGC120589; MGC120590