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This protein carries no "tag".
The protein has a calculated MW of 15.4 kDa. The protein migrates as 14 kDa and 15-16 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) 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-2 Protein, Tag Free on SDS-PAGE under reducing (R) condition. 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-2 Protein, Tag Free (Cat. No. IL2-H5215) is more than 95% and the molecular weight of this protein is around 14-22 kDa verified by SEC-MALS.
Human IL-2 Protein, Tag Free (Cat. No. IL2-H5215) stimulates proliferation of CTLL-2 cells. The specific activity of Human IL-2 Protein, Tag Free is > 0.60 x 10^7 IU/mg, which is calibrated against human IL-2 WHO International Standard (NIBSC code: 86/500) (QC tested).
Human IL-2 Protein, Tag Free (Cat. No. IL2-H5215) has higher bioactivity than imported competitors when activates T cell proliferation with CD3/CD28 Activation Magnetic Beads.
Price(USD) : $50.00
Price(USD) : $110.00
Price(USD) : $1050.00
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