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Product Details
Synonyms
IL4, BCGF1, BSF1
Source
Biotinylated Human IL-4, Avitag,His Tag (IL4-H82E0) is expressed from human 293 cells (HEK293). It contains AA His 25 - Ser 153 (Accession # AAH67514).
Predicted N-terminus: His 25
Request for sequenceMolecular Characterization
Other Tags and Version Biotin & Other Labeled Version
This protein carries an Avi tag (Avitag™) at the C-terminus, followed by a polyhistidine tag.
The protein has a calculated MW of 17.6 kDa. The protein migrates as 23-25 kDa under reducing (R) condition, and 20-23 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under non-reducing (NR) condition (SDS-PAGE) due to glycosylation.
Labeling
Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.
Protein Ratio
Passed as determined by the HABA assay / binding ELISA.
Purity
>95% as determined by SDS-PAGE.
Formulation
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
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.
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.
ACRO Quality Management System
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Performance Data
SDS-PAGE
Biotinylated Human IL-4, Avitag,His Tag on SDS-PAGE under reducing (R) and non-reducing (NR) conditions. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95% (With Star Ribbon Pre-stained Protein Marker).
SEC-MALS
The purity of Biotinylated Human IL-4, Avitag,His Tag (Cat. No. IL4-H82E0) is more than 85% and the molecular weight of this protein is around 18-25 kDa verified by SEC-MALS.
Report
Bioactivity-ELISA
Immobilized Human IL-4 R alpha, His Tag (Cat. No. ILR-H5221) at 5 μg/mL (100 μL/well) can bind Biotinylated Human IL-4, Avitag,His Tag (Cat. No. IL4-H82E0) with a linear range of 2-16 ng/mL (QC tested).
Protocol
Immobilized Human IL-4 R alpha, Fc Tag (Cat. No. ILR-H5253) at 5 μg/mL (100 μL/well)can bind Biotinylated Human IL-4, Avitag,His Tag (Cat. No. IL4-H82E0) with a linear range of 0.1-2 ng/mL (Routinely tested).
Protocol
Serial dilutions of Monoclonal IL-4R/CD124 Neutralizing Antibody were added into Human IL-4 R alpha, His Tag (Cat. No. ILR-H5221): Biotinylated Human IL-4, Avitag,His Tag (Cat. No. IL4-H82E0) binding reactions. The half maximal inhibitory concentration (IC50) is 0.505 μg/mL (Routinely tested).
Protocol
Bioactivity-CELL BASE
Biotinylated Human IL-4, Avitag,His Tag (Cat. No. IL4-H82E0) stimulates the proliferation of TF-1 human erythroleukemic cells. The ED50 for this effect is 1.19-2.64 ng/mL (Routinely tested).
Protocol
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Background
Recent Advances
Drug Development Progress- English Name：
Interleukin-4
- Category：
- Approved Drugs：
2 Details
- Drugs in Clinical Trials：
14 Details
- Highest Development Stage：
Approved
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