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  4. IL-18 Receptor CD218b/IL-18RAP
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  6. IL-18RAP Protein, Rhesus Macaque (HEK293, His)

IL-18RAP Protein, Rhesus Macaque (HEK293, His)

Cat. No.: HY-P77409
SDS COA Handling Instructions

IL-18 is a pleiotropic proinflammatory cytokine that is involved in induction of inflammatory mediators, regulation of the cytotoxic activity of NK cells and T cells, and differentiation and activation of both Th1 and Th2 cells. IL-18 signals through its specific cell surface receptor IL-18R, which comprises two subunits: IL-18Rα and IL-18R beta. IL-18 forms a signalling complex with the IL-18 receptor α (Rα) and β (Rβ) chains at the plasma membrane, which induces multiple inflammatory cytokines. IL-18R complex recruits the IL-1R- activating kinase and TNF- associated factor 6, which phosphorylates nuclear factor kβ- inducing kinase, with subsequent activation of NF- kβ.IL-18R betaknockdown inhibits IL-18 driven tumor cell metastasis in C57/BL6 mice. IL-18RAP Protein, Rhesus Macaque (HEK293, His) is a recombinant protein with a His label that consists of 357 amino acids (M1-R356) and is produced by HEK293 cells.

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Description

IL-18 is a pleiotropic proinflammatory cytokine that is involved in induction of inflammatory mediators, regulation of the cytotoxic activity of NK cells and T cells, and differentiation and activation of both Th1 and Th2 cells. IL-18 signals through its specific cell surface receptor IL-18R, which comprises two subunits: IL-18Rα and IL-18R beta. IL-18 forms a signalling complex with the IL-18 receptor α (Rα) and β (Rβ) chains at the plasma membrane, which induces multiple inflammatory cytokines[2]. IL-18R complex recruits the IL-1R- activating kinase and TNF- associated factor 6, which phosphorylates nuclear factor kβ- inducing kinase, with subsequent activation of NF- kβ[3].IL-18R betaknockdown inhibits IL-18 driven tumor cell metastasis in C57/BL6 mice[4]. IL-18RAP Protein, Rhesus Macaque (HEK293, His) is a recombinant protein with a His label that consists of 357 amino acids (M1-R356) and is produced by HEK293 cells.

Background

IL-18R beta (interleukin-18 receptor beta, also known as IL18RAP) is the signal transducing chain of the IL-18R complex and is also a member of the IL-1R family. IL-18R beta is expressed on T-cells, NK cells and dendritic cells, but not commonly expressed in mesenchymal cells[1].
The amino acid sequence of human IL-18R beta protein has low homology for mouse IL-18R beta protein.
IL-18R beta is the receptor of IL-18. IL-18 forms a signaling complex by binding to the IL-18 alpha chain (IL-18Rα). The co-receptor, termed IL-18 receptor beta chain (IL-18Rβ), is recruited to form a high affinity complex[1]. IL-18/IL-18Rα/IL-18Rβ ternary complex formation juxtaposes the intracellular Toll-Interleukin-1 receptor domains of IL-18Rα and IL-18Rβ. Then, the adaptor molecule myeloid differentiation factor 88 (MyD88) is recruited presumably with the aid of TRAM. MyD88 further interacts with IL-1 receptor associating kinase (IRAK) 4 and IRAK1/2 to form the large molecular assembly referred to as Myddosome, which subsequently activates IKK via TRAF6. Finally, the signal activates the NF-κB and mitogen-activated protein kinase pathways7, which upregulate the expression of various inflammatory cytokines[2].
IL-18R beta binds to IL-18 and IL-18 receptor alpha forms a signalling complex induces the expression of various inflammatory cytokines[2]. IL-18R beta knockdown inhibits tumor cell metastasis[4].

Species

Rhesus Macaque

Source

HEK293

Tag

C-6*His

Accession

XP_001108108.1 (F20-R356)

Gene ID
Molecular Construction
N-term
IL-18RAP (F20-R356)
Accession # XP_001108108.1
His
C-term
Synonyms
Interleukin-18 receptor accessory protein; CDw218b; IL-1R7; IL-18R-beta; CD218b
AA Sequence

FNISGCSTKKFLWAYSTRSEEEFILFCDLPEPQKSHFCHRSQLSPTQVPDHLPFTDSKDLPDVQWYRQPSNGDPLEDIRKSYPHIIQDKCTLRFLTPGVNNTGSYICRPKMIKSPYDVACCVKMILEVKPQSNASCENSASHKQDLLLGSTGSISCPSLSCQSDAQSPEVTWYKNGKLLSMTRSNRIVVDEVYIYHQGTYVCDYTQSDTASSWTVRAVVQVRTIVGDTKLKPDILDPVESTLEVELGKPLTISCKARFGFERVFNPVMKWYIKDADLEWEVSVPEAKSIKSTLKDEIIERNIILEKVTQRDLRRTFVCFVQNSIGNTTQSVQLKEKR

Molecular Weight

Approximately 52-75 kDa.

Purity
  • Greater than 95% as determined by reducing SDS-PAGE.
Appearance

Lyophilized powder

Formulation

Lyophilized from a 0.22 μm filtered solution of PBS, pH 7.4.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O. For long term storage it is recommended to add a carrier protein (0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose).

Storage & Stability

Stored at -20°C for 2 years. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Shipping

Room temperature in continental US; may vary elsewhere.

Documentation
References

IL-18RAP Protein, Rhesus Macaque (HEK293, His) Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
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The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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IL-18RAP Protein, Rhesus Macaque (HEK293, His)
Cat. No.:
HY-P77409
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