Human IL-2 on Tris-Bis 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, His Tag captured on CM5 Chip via Anti-His Antibody can bind Human IL-2, No Tag with an affinity constant of 0.25μM as determined in SPR assay (Biacore T200).

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).