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ST2/IL-1 RL1 Protein, Human, Recombinant

Catalog No. TMPY-00850
ST2/IL-1 RL1 Protein, Human, Recombinant is expressed in HEK293 mammalian cells. The predicted molecular weight is 35.6 kDa and the accession number is Q01638-2.
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100 μg$386In Stock
200 μg$6607-10 days
500 μg$1,3407-10 days
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Product Information

Biological Activity
Activity testing is in progress. It is theoretically active, but we cannot guarantee it. If you require protein activity, we recommend choosing the eukaryotic expression version first.
Description
ST2/IL-1 RL1 Protein, Human, Recombinant is expressed in HEK293 mammalian cells. The predicted molecular weight is 35.6 kDa and the accession number is Q01638-2.
Species
Human
Expression System
HEK293 Cells
TagTag Free
Accession NumberQ01638-2
Synonyms
T1,ST2V,ST2L,ST2,interleukin 1 receptor-like 1,IL33R,IL1RL1,IL‑1 R4,FIT-1,DER4
Construction
The secreted isoform of human IL1RL1 (NP_003847.2) (Met 1-Phe 328) with five amino acids (DDDDK) at the C-terminus was expressed and purified. Predicted N terminal: Lys 19
Protein Purity
> 95 % as determined by SDS-PAGE
ST2/IL-1 RL1 Protein, Human, Recombinant
Molecular Weight35.6 kDa (predicted); 55-60 kDa (reducing condition, due to glycosylation)
Endotoxin< 1.0 EU/μg of the protein as determined by the LAL method.
FormulationLyophilized from a solution filtered through a 0.22 μm filter, containing 50 mM Tris, 100 mM NaCl, pH 8.0.Typically, a mixture containing 5% to 8% trehalose, mannitol, and 0.01% Tween 80 is incorporated as a protective agent before lyophilization.
Reconstitution
A Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information.
Stability & Storage
It is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.
ShippingIn general, Lyophilized powders are shipping with blue ice.
Research Background
IL-1 receptor–like 1 (IL1RL1) is a membrane receptor involved in TH2 inflammatory responses and eosinophilia. It has previously been described that levels of the interleukin-1 like 1 (IL1RL1) protein can be used to diagnose cardiovascular disease and determine the prognosis for a patient with cardiovascular disease. The ligand for IL1RL1 has been described and named IL-33. Mutants in IL1RL1 have been associated with blood eosinophil counts in a genome-wide association study and with asthma in family-based and case-control studies. As an important mediator involved in many immune and inflammatory responses, this cytokine has been implicated as a regulator of both the development and effector phases of type 2 helper T cell responses, and as a negative feedback modulator of macrophage proinflammatory function. IL33 is a specific ligand of ST2L and induces the production of Th2 cytokines.

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