Human Interleukin 15 / IL-15Rα heterodimer (Human Cell-Expressed)

Suitable for Direct Binding ELISA, Western Blot and CTLL-2 Proliferation Assay.

Typically <0.5 ng/ml (15.6 pM), measured by its dose dependent stimulation of the proliferation of CTLL-2 cells

< 1 EU/μg

Phosphate buffered saline (PBS) containing 0.1% bovine serum albumin (BSA)

31 kDa predicted (12.8 kDa for IL-15 + 18.4 kDa for sIL-15Rα)

≥ 95% (SDS-PAGE)

A combination of ion exchange and size exclusion chromatography

Recombinant DNA expressed in Human Embryonic Kidney Cells (HEK293)