Description
IL-4 is a protein that regulates the immune response by promoting the growth and differentiation of B cells. It also plays a role in the development of allergic reactions and asthma. IL-4 is produced by a variety of cells, including T cells and mast cells.
Product Properties
|
Synonyms |
Interleukin-4, IL-4, BSF-1, BCDF, IL4E12, Pitrakinra |
|
Uniprot No. |
P05112 |
|
Source |
Human IL-4 Protein is expressed from HEK293 Cells with His tag at the C-terminal. It contains His25-Ser153. |
|
Molecular Weight |
The protein has a predicted MW of 16.05 kDa. And it migrates as 20 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation. |
|
Purity |
> 95% as determined by SDS-PAGE. |
|
Endotoxin |
<0.01 EU per 1μg of the protein by the LAL method. |
|
Formulation |
Lyophilized from 0.22 μm filtered solution in PBS (pH 7.4). |
|
Reconstitution |
Centrifuge tubes before opening. Dissolve lyophilized protein with sterile PBS to ensure the concentration is greater than 100 ug/mL. |
Shipping and Storage
The product should be stored at -25~-15℃ for 1 year from date of receipt.
2-7 days, 2 ~8 °C under sterile conditions after reconstitution.
3 months, -25~-15℃ under sterile conditions after reconstitution.
Recommend to aliquot the protein into smaller quantities when first used and avoid repeated freeze-thaw cycles.
Cautions
1.Please operate with lab coats and disposable gloves,for your safety.
2.This product is for research use only.