Recombinant Human IL-2

Description
Recombinant Human Interleukin 2 (IL2) is a bioactive protein intended for use in cell culture applications. IL2 causes proliferation of T-cells and is a central regulator of immune responses.

 Full Name
Human Interleukin 2

Source
E. coli

Species
Human

Accession #
P60568

Molecule Weight
The mature recombinant human IL-2 consists of 134 amino acids (Ala21-Thr153) and has a predicted molecular mass of 15.5 kDa.

Purity
> 95 % as determined by SDS-PAGE

Endotoxin
< 0.1 EU per μg of the protein as determined by the LAL method

Activity
Measured in a cell proliferation assay using CTLL‑2 mouse cytotoxic T cells. The ED50 for this effect is 0.05-0.25 ng/mL.

Storage
-80 ℃, avoid repeated freeze-thaw cycles.

Storage Buffer
PBS