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分子别名（Synonym）
IL1RL1,DER4,FIT-1,IL33R,ST2,ST2L,ST2V,T1
表达区间及表达系统（Source）
Human IL-1RL1, His Tag (IL1-H5229) is expressed from human 293 cells (HEK293). It contains AA Lys 19 - Phe 328 (Accession # Q01638-2).
Predicted N-terminus: Lys 19
Request for sequence
蛋白结构（Molecular Characterization）
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 36.9 kDa. The protein migrates as 48-60 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
内毒素（Endotoxin）
Less than 1.0 EU per μg by the LAL method.
纯度（Purity）
>95% as determined by SDS-PAGE.
>90% as determined by SEC-MALS.
制剂（Formulation）
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
重构方法（Reconstitution）
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
存储（Storage）
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
产品数据图
电泳（SDS-PAGE）
Human IL-1RL1, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.
SEC-MALS
The purity of Human IL-1RL1, His Tag (Cat. No. IL1-H5229) is more than 90% and the molecular weight of this protein is around 49-66 kDa verified by SEC-MALS.
Report
活性（Bioactivity）-ELISA
Immobilized Human IL-1RL1, His Tag (Cat. No. IL1-H5229) at 5 μg/mL (100 μL/well) can bind Biotinylated Human IL-33, His,Avitag (Cat. No. IL3-H82H5) with a linear range of 0.02-1.25 μg/mL (QC tested).
Protocol
Immobilized human IL33 at 5 μg/mL (100 μL/well) can bind Human IL-1RL1, His Tag (Cat. No. IL1-H5229) with a linear range of 0.125-0.5 μg/mL (Routinely tested).
Protocol
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背景
Interleukin 1 receptor-like 1 (IL1RL1) is also known as ST2, DER4, FIT-1, IL33R, ST2L, ST2V, which belongs to the interleukin-1 receptor family. IL1RL1 contains three Ig-like C2-type (immunoglobulin-like) domains and one TIR domain. IL1RL1 is receptor for interleukin-33 (IL-33), its stimulation recruits MYD88, IRAK1, IRAK4, and TRAF6, followed by phosphorylation of MAPK3/ERK1 and/or MAPK1/ERK2, MAPK14, and MAPK8. IL1RL1 possibly involved in helper T-cell function. IL1RL1 can interact with MYD88, IRAK1, IRAK4, and TRAF6.
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