Recombinant human IL-3 protein
IL3, as known as interleukin 3, is a pleiotropic factor produced primarily by activated T cells that can stimulate the proliferation and differentiation of pluripotent hematopoietic stem cells as well as various lineage committed progenitors. Also, this protein affects the functional activity of mature mast cells, basophils, eosinophils and macrophages. Because of its multiple functions and targets, it was originally studied under different names, including mast cell growth factor, P-cell stimulation factor, burst promoting activity, multi-colony stimulating factor, thy-1 inducing factors and WEHI-3 growth factor. Recombinant human IL3, fused to His-tag at C-terminus, was expressed in insect cell and purified by using conventional chromatography techniques.
Product Specifications
Specifications
Measured in a cell proliferation assay using TF-1 human erythroleukemic cells. The ED50 range ≤0.2 ng/mL.
Product Name Alternative
Expression System
Baculovirus
Antigen Species
Human
Tag
His-Tag
Applications
SDS-PAGE, Bioactivity
Concentration
0.5 mg/mL (determined by absorbance at 280 nm)
Endotoxin
< 1 EU per 1ug of protein (determined by LAL method)
Purity
> 90% by SDS-PAGE
Bioactivity
Measured in a cell proliferation assay using TF-1 human erythroleukemic cells. The ED50 range ≤0.2 ng/mL.
Molecular Weight
16.1 kDa (141aa)
Additionnal Information
References & Citations
Chavany, C., et al. (1998) Proc. Natl. Acad. Sci. U.S.A. 95:11354-11359.; ; Otsuka, T., et al. (1988) J. Immunol. 140:2288-2295.
Storage Conditions
Can be stored at 2°C to 8°C for 1 week. For long term storage, aliquot and store at -20C to -80C. Avoid repeated freezing and thawing cycles.
Formulation
Liquid in. Phosphate-Buffered Saline (pH 7.4) containing 10% glycerol
Scientific Category
Hormones & Cytokines
NCBI Accession Number
NP_000579
Uniprot Accession Number
P08700
Species
Human
N Terminal Sequence
Ala20
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