IL1R2 Human

Interleukin 1 Receptor Type 2 Human Recombinant
Cat. No.
BT11625
Source

Sf9, Insect cells.

Synonyms

IL1R2, CD121b, CDw121b, IL-1R-2, IL-1RT-2, IL-1RT2, IL1R2c, IL1RB,  IL-1 type II receptor,  Interleukin-1 receptor beta,  CD121 antigen-like family member B.

Appearance
Sterile Filtered colorless solution.
Purity

Greater than 90% as determined by SDS-PAGE.

Usage
THE BioTek's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
Shipped with Ice Packs
In Stock

Description

IL1R2 produced in Sf9 Insect cells is a single, glycosylated polypeptide chain containing 338 amino acids (14-343a.a.) and having a molecular mass of 38.8kDa (Molecular size on SDS-PAGE will appear at approximately 40-57kDa).
IL1R2 is expressed with an 8 amino acid His tag at C-Terminus and purified by proprietary chromatographic techniques.

Product Specs

Introduction
IL1R2, a member of the interleukin-1 receptor family, is primarily found on T cells, endothelial cells, and fibroblasts. This cytokine receptor binds to IL1A, IL1B, and IL1RN, preventing them from interacting with their typical receptors and inhibiting signal transduction. Additionally, Interleukin-4 can induce the expression and release of IL1R2, thereby antagonizing the effects of interleukin-1.
Description
IL1R2, produced in Sf9 Insect cells, is a single, glycosylated polypeptide chain with a molecular weight of 38.8 kDa (338 amino acids, spanning from 14-343a.a.). On SDS-PAGE, the molecular size appears between 40-57 kDa. This protein is expressed with an 8 amino acid His tag at the C-terminus and purified using proprietary chromatographic techniques.
Physical Appearance
A clear, sterile-filtered solution.
Formulation
The IL1R2 protein solution (0.5mg/ml) is supplied in PBS (pH 7.4) with 10% glycerol.
Stability
For short-term storage (2-4 weeks), keep at 4°C. For extended periods, freeze at -20°C. Adding a carrier protein (0.1% HSA or BSA) is recommended for long-term storage. Avoid repeated freeze-thaw cycles.
Purity
The purity is determined to be greater than 90% by SDS-PAGE analysis.
Biological Activity
The biological activity is assessed by the ability to inhibit D10.G4.1 mouse helper T cell proliferation. The ED50 for this effect is less than or equal to 400 ng/ml in the presence of IL-1beta.
Synonyms

IL1R2, CD121b, CDw121b, IL-1R-2, IL-1RT-2, IL-1RT2, IL1R2c, IL1RB,  IL-1 type II receptor,  Interleukin-1 receptor beta,  CD121 antigen-like family member B.

Source

Sf9, Insect cells.

Amino Acid Sequence

FTLQPAAHTG AARSCRFRGR HYKREFRLEG EPVALRCPQV PYWLWASVSP RINLTWHKND SARTVPGEEE TRMWAQDGAL WLLPALQEDS GTYVCTTRNA SYCDKMSIEL RVFENTDAFL PFISYPQILT LSTSGVLVCP DLSEFTRDKT DVKIQWYKDS LLLDKDNEKF LSVRGTTHLL
VHDVALEDAG YYRCVLTFAH EGQQYNITRS IELRIKKKKE ETIPVIISPL KTISASLGSR LTIPCKVFLG TGTPLTTMLW WTANDTHIES AYPGGRVTEG PRQEYSENNE NYIEVPLIFD PVTREDLHMD FKCVVHNTLS FQTLRTTVKE LEHHHHHH.

Product Science Overview

Structure and Function

IL-1R2 is structurally similar to IL-1R1 but lacks the Toll/IL-1 receptor (TIR) domain in its cytoplasmic region, which is essential for signal transduction . As a result, IL-1R2 cannot transduce signals and instead functions as a decoy receptor. By binding to IL1A, IL1B, and IL1Ra, IL-1R2 prevents these cytokines from interacting with their signaling receptors, thereby inhibiting their biological activities .

Biological Significance

The primary role of IL-1R2 is to modulate the immune response by neutralizing the effects of IL1A and IL1B. This decoy receptor mechanism is crucial in regulating inflammation and preventing excessive immune responses . IL-1R2 is expressed in various tissues, including the immune system, and its expression can be induced by interleukin-4 (IL4), which further enhances its anti-inflammatory properties .

Recombinant IL-1R2

Recombinant human IL-1R2 is produced using recombinant DNA technology, which involves inserting the IL1R2 gene into a suitable expression system, such as bacteria or mammalian cells. This allows for the large-scale production of IL-1R2 protein, which can be used for research and therapeutic purposes .

Applications

Recombinant IL-1R2 has several applications in biomedical research and clinical settings:

  1. Research Tool: It is used to study the mechanisms of cytokine signaling and the regulation of immune responses.
  2. Therapeutic Potential: Due to its ability to neutralize IL1A and IL1B, recombinant IL-1R2 has potential therapeutic applications in treating inflammatory diseases and conditions characterized by excessive cytokine activity .

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