RecombinantIL-4, His, Rat
Interleukin-4 (IL-4), also known as BSF-1 and Lymphocyte stimulatory factor 1, is a secreted cytokine belonging to the IL-4/IL-13 family. It is produced by mast cells, T cells and bone marrow stromal cells. IL-4 signals through two receptor complexes: theIL4Rα/common γ chain and the IL4Rα-IL-13 Rα1 receptor complex. IL-4 regulates T cell and B cell proliferation, survival and gene expression. IL-4 also induces IgG and IgE class switching, and the upregulation of MHC-II production.
Product Specifications
Product Name Alternative
Interleukin-4, IL4
Source
CHO
Endotoxin
< 0.2 EU/μg, determined by LAL method.
Purity
> 95% as analyzed by SDS-PAGE.
Bioactivity
ED50 < 0.2 μg/ml, measured in a proliferationassay using C6 cells.
Form
Lyophilized after extensive dialysis against PBS.
Molecular Weight
18-22 kDa, observed by reducing SDS-PAGE.
Storage Conditions
Notes
For research use only.
Applications Notes
Reconstituted in ddH2O or PBS at 100 μg/ml.
Preservative
Lyophilized after extensive dialysis against PBS.
AA Sequence
HGCNDSPLREIINTLNQVTEKGTPCTEMFVPDVLTATRNTTENELICRASRVLRKFYFPRDVPPCLKNKSGVLGELRKLC RGVSGLNSLRSCTVNESTLTTLKDFLESLKSILRGKYLQSCTSMSHHHHHH
Available Sizes
Frequently Asked Questions
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