This protein carries no "tag".
The protein has a calculated MW of 15.0 kDa. The protein migrates as 15 kDa and 19 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
>90% as determined by SDS-PAGE.
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.
Contact us for customized product form or formulation.
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
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:
ActiveMax® Human IL-4, Tag Free on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 90%.
Immobilized ActiveMax® Human IL-4, Tag Free (Cat. No. IL4-H4218) at 5 μg/mL (100 μL/well) can bind Biotinylated Human IL-4 R alpha, Avitag,His Tag (Cat. No. ILR-H82E9) with a linear range of 2-78 ng/mL (QC tested).
ActiveMax® Human IL-4, Tag Free (Cat. No. IL4-H4218) stimulates the proliferation of TF-1 human erythroleukemic cells. The ED50 for this effect is 0.27-0.49 ng/mL (Routinely tested).
Authors: Huang X, Yi S, Hu J, et al.
Journal: Graefes Arch Clin Exp Ophthalmol 2020
Application: Cell culture
Authors: Yi, S., et al.
Journal: Immunology and Microbiology 2018
Application: Cell Culture
Authors: He Y, et al.
Journal: Br J Ophthalmol 2018
Application: Cell Culture
Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.
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