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This protein carries no "tag".
The protein has a calculated MW of 13.1 kDa. The protein migrates as 18 kDa±3 kDa under reducing (R) condition, and 36 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under non-reducing (NR) condition (SDS-PAGE) due to glycosylation.
>95% as determined by SDS-PAGE.
>95% as determined by SEC-MALS.
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
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:
Human IL-5 Protein, premium grade 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).
The purity of Human IL-5 Protein, premium grade (Cat. No. IL5-H5214) is more than 95% and the molecular weight of this protein is around 30-43 kDa verified by SEC-MALS.
Human IL-5 Protein, premium grade (Cat. No. IL5-H5214) stimulates proliferation of Human IL-5 R alpha/CD131 (Luc) HEK293 Reporter Cell. The specific activity of Human IL-5 Protein, premium grade is > 3.00ⅹ10^6 IU/mg, which is calibrated against human IL-5 WHO International Standard (NIBSC code: 90/586) (QC tested).
Immobilized Human IL-5 Protein, premium grade (Cat. No. IL5-H5214) at 5 μg/mL (100 μL/well) can bind Biotinylated Human IL-5 R alpha Protein, Avitag,Fc Tag (Cat. No. ILA-H82F5) with a linear range of 0.6-10 ng/mL (QC tested).
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