Lyophilized from 0.22µm filtered solution in 100mM Acetic Acid. Normally 8% trehalose is added as protectant before lyophilization.
Expression System:
E.coli
Reinheit:
> 95% as determined by Bis-Tris PAGE,> 95% as determined by HPLC
Formulierung:
Lyophilized
Sequenz:
Ala21-Thr153
Target-Kategorie:
IL-2
Human IL-2 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.
The purity of Human IL-2 is greater than 95% as determined by SEC-HPLC.
Human IL-2 R beta&IL-2 R gamma, hFc Tag captured on CM5 Chip via Protein A can bind Human IL-2, No Tag with an affinity constant of 0.114 nM as determined in SPR assay (Biacore T200).
Human IL-2 R beta, His Tag captured on CM5 Chip via Anti-His Antibody can bind Human IL-2, No Tag with an affinity constant of 0.25uM as determined in SPR assay (Biacore T200).
Human IL-2 R alpha, His Tag captured on CM5 Chip via anti-his antibody can bind Human IL-2, No Tag with an affinity constant of 16.82 nM as determined in SPR assay (Biacore T200).
Measured in a cell proliferation assay using CTLL-2 mouse cytotoxic T cells. The ED50 for this effect is 0.5-2 ng/mL (QC Test).
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