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分子别名（Synonym）
IL-22, IL-TIF, ZCYTO18
表达区间及表达系统（Source）
Human IL-22, His Tag (IL2-H524a) is expressed from human 293 cells (HEK293). It contains AA Ala 34 - Ile 179 (Accession # Q9GZX6-1).
Predicted N-terminus: His
Request for sequence蛋白结构（Molecular Characterization）
This protein carries a polyhistidine tag at the N-terminus.
The protein has a calculated MW of 18.6 kDa. The protein migrates as 28-34 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
内毒素（Endotoxin）
Less than 1.0 EU per μg by the LAL method / rFC method.
纯度（Purity）
>90% 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.
质量管理控制体系（QMS）
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数据展示
电泳（SDS-PAGE）
Human IL-22, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90% (With Star Ribbon Pre-stained Protein Marker).
SEC-MALS
The purity of Human IL-22, His Tag (Cat. No. IL2-H524a) is more than 90% and the molecular weight of this protein is around 20-32 kDa verified by SEC-MALS.
Report
活性（Bioactivity）-ELISA
Immobilized Human IL-22, His Tag (Cat. No. IL2-H524a) at 5 μg/mL (100 μL/well) can bind Anti-Human IL-22 MAb with a linear range of 0.5-16 ng/mL (QC tested).
Protocol
Immobilized Human IL-22, His Tag (Cat. No. IL2-H524a) at 5 μg/mL (100 μL/well) can bind Human IL-22 R alpha 1, Fc Tag (Cat. No. IL1-H5258) with a linear range of 2-78 ng/mL (Routinely tested).
Protocol
Immobilized Human IL-22, His Tag (Cat. No. IL2-H524a) at 5 μg/mL (100 μL/well) can bind Human IL-22BP Protein, Fc Tag (Cat. No. ILP-H5254) with a linear range of 0.2-10 ng/mL (Routinely tested).
Protocol
活性（Bioactivity）-SPR
Biotinylated Human IL-22BP Protein, Fc,Avitag (Cat. No. ILP-H82F6) captured on Biotin CAP-Series S Sensor Chip can bind Human IL-22, His Tag (Cat. No. IL2-H524a) with an affinity constant of 0.211 nM as determined in a SPR assay (Biacore 8K) (Routinely tested).
Protocol
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