Description
Recombinant Human Interleukin 1, beta (IL1B) is a bioactive protein intended for use in cell culture applications. IL-1 is involved in a number of biological processes including the stimulation of T-helper cells, promotion proliferation and synthesis of immunoglobulins, and the activation of fibroblasts and NK cells.

 Full Name
Human Interleukin 1 beta

Source
E. coli

Species
Human

Accession #
NP_000567

Molecule Weight
The mature recombinant human IL1beta consists of 153 amino acids (117-269) and has a predicted molecular mass of 17 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 D10.G4.1 mouse helper T cells. The ED50 for this effect is <12 pg/mL.

Storage
-80℃     Avoid repeated freeze-thaw cycles.

Storage Buffer
PBS