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Recombinant Human IL-18 R alpha/IL-1 R5 Fc Chimera, CF

 (3 Publications)
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Summary
Reactivity HuSpecies Glossary
Applications Bioactivity
Format
Carrier-Free

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Recombinant Human IL-18 R alpha/IL-1 R5 Fc Chimera, CF Summary

Details of Functionality
Measured by its ability to inhibit the IL-18-induced response of KG‑1 human acute myelogenous leukemia cells in the presence of soluble Recombinant Human IL‑18 R beta /IL‑1 R7 Fc Chimera (Catalog # 118-AP). Approximately 5‑15 µg/mL of rhIL-18 Ra/Fc will inhibit 50% of the biological response due to 40 ng/mL of rhIL-18 in the presence of 30 µg/mL of rhIL-18 R beta  (AcPL)/Fc Chimera.
Source
Mouse myeloma cell line, NS0-derived human IL-18 R alpha/IL-1 R5 protein
Human IL-18 R alpha
(Glu20 - Arg329)
Accession # Q13478		 IEGRDID Human IgG1
(Pro100 - Lys330) 		6-His tag
N-terminus C-terminus


Accession #
N-terminal Sequence
Glu20
Structure / Form
Disulfide-linked homodimer
Protein/Peptide Type
Recombinant Proteins
Gene
IL18R1
Purity
>95%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.

Applications/Dilutions

Dilutions
  • Bioactivity
Theoretical MW
63 kDa (monomer).
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
SDS-PAGE
95-105 kDa, reducing conditions
Publications
Read Publications using
816-LR in the following applications:

Packaging, Storage & Formulations

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.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS.
Purity
>95%, by SDS-PAGE under reducing conditions and visualized by silver stain
Reconstitution Instructions
Reconstitute at 1 mg/mL in sterile PBS.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Recombinant Human IL-18 R alpha/IL-1 R5 Fc Chimera, CF

  • 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

Background

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.

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

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Recombinant Human
IL-18 R alpha/IL-1 R5 ...
816-LR
Recombinant Human IL-18 R alpha/IL-1 R5 Fc Chimera, CF
Species: Hu
Applications: Bioactivity

Publications for IL-18R alpha/IL-1 R5 (816-LR)(3)

We have publications tested in 1 confirmed species: Human.

We have publications tested in 3 applications: Bioassay, ELISA (Standard), Surface Plasmon Resonance.


Filter By Application
Bioassay
(1)
ELISA (Standard)
(1)
Surface Plasmon Resonance
(1)
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Filter By Species
Human
(2)
All Species
Showing Publications 1 - 3 of 3.
Publications using 816-LR Applications Species
Slieker, RC;Donnelly, LA;Akalestou, E;Lopez-Noriega, L;Melhem, R;G�ne?, A;Abou Azar, F;Efanov, A;Georgiadou, E;Muniangi-Muhitu, H;Sheikh, M;Giordano, GN;�kerlund, M;Ahlqvist, E;Ali, A;Banasik, K;Brunak, S;Barovic, M;Bouland, GA;Burdet, F;Canouil, M;Dragan, I;Elders, PJM;Fernandez, C;Festa, A;Fitipaldi, H;Froguel, P;Gudmundsdottir, V;Gudnason, V;Gerl, MJ;van der Heijden, AA;Jennings, LL;Hansen, MK;Kim, M;Leclerc, I;Klose, C;Kuznetsov, D;Mansour Aly, D;Mehl, F;Marek, D;Melander, O;Niknejad, A;Ottosson, F;Pavo, I;Duffin, K;Syed, SK;Shaw, JL;Cabrera, O;Pullen, TJ;Simons, K;Solimena, M;Suvitaival, T;Wretlind, A;Rossing, P;Lyssenko, V;Legido Quigley, C;Groop, L;Thorens, B;Franks, PW;Lim, GE;Estall, J;Ibberson, M;Beulens, JWJ;'t Hart, LM;Pearson, ER;Rutter, GA; Identification of biomarkers for glycaemic deterioration in type 2 diabetes Nature communications 2023-05-03 [PMID: 37137910] (Bioassay, Human) Bioassay Human
Takei S, Hoshino T, Matsunaga K, Sakazaki Y, Sawada M, Oda H, Takenaka S, Imaoka H, Kinoshita T, Honda S, Ida H, Fukuda TA, Aizawa H Soluble interleukin-18 receptor complex is a novel biomarker in rheumatoid arthritis. Arthritis Res. Ther., 2011-03-24;13(2):R52. 2011-03-24 [PMID: 21435242] (ELISA (Standard)) ELISA (Standard)
Nazarian SH, Rahman MM, Werden SJ, Villeneuve D, Meng X, Brunetti C, Valeriano C, Wong C, Singh R, Barrett JW, Xiang Y, McFadden G Yaba monkey tumor virus encodes a functional inhibitor of interleukin-18. J. Virol., 2007-10-24;82(1):522-8. 2007-10-24 [PMID: 17959666] (Surface Plasmon Resonance, Human) Surface Plasmon Resonance Human

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Bioinformatics

Gene Symbol IL18R1
Uniprot