This protein carries no "tag".
The protein has a calculated MW of 17.4 kDa. The protein migrates as 24 kDa and 25-28 kDa under reducing (R) condition (SDS-PAGE) due to different glycosylation.
>95% 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.
No activity loss was observed after storage at:
4-8°C for 12 months in lyophilized state;
-70°C for 3 months under sterile conditions after reconstitution.
ActiveMax® Human IL-7, 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 95%.
Captured Human IL-7 R alpha, Fc Tag (Cat. No. ILA-H5258) on CM5 chip via anti-human IgG Fc antibodies surface can bind ActiveMax® Human IL-7, Tag Free (Cat. No. IL7-H4219) with an affinity constant of 23.9 nM as determined in a SPR assay (Biacore T200) (Routinely tested).
Captured Human IL-7 R alpha, Mouse IgG2a Fc Tag (Cat. No. IL7-H5258) on CM5 chip via anti-mouse antibodies surface can bind ActiveMax® Human IL-7, Tag Free (Cat. No. IL7-H4219) with an affinity constant of 13.3 nM as determined in a SPR assay (Biacore T200) (Routinely tested).
ActiveMax® Human IL-7, Tag Free (Cat. No. IL7-H4219) stimulates proliferation of PHA-P-activated human peripheral blood mononuclear cell (PBMC). The ED50 for this effect is 0.108-0.829 ng/mL (Routinely tested).
Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.
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