Medchemexpress LLC IL-5 Human HEK293 100ug
Recombinant human interleukin-5 (IL-5) expressed in HEK293 cells and provided as a His-tagged, lyophilized protein for in vitro research use. It is intended for bioactivity assays, cell stimulation studies, and other laboratory applications requiring biologically active IL-5.
- Expressed in HEK293 cells with a C-terminal His tag.
- Lyophilized formulation from buffered saline or Tris-based buffer for stability.
- Biological activity demonstrated in cell proliferation assays with ED50 of 0.1-0.5 ng/mL.
- Low endotoxin level, less than 1 EU per microgram.
- Manufacturer recommends reconstitution to at least 100 μg/mL for optimal handling.
- Store lyophilized material at -20 °C; aliquot and freeze at -20 °C or -80 °C after reconstitution for extended storage.
- Suitable for in vitro research applications such as eosinophil activation and signaling studies.