Recombinant Human IL-3 Protein Summary
A recombinant protein with a His-tag corresponding to amino acids 20 to 152 of Human IL-3
Source: E. coli
Amino Acid Sequence: MGSSHHHHHH SSGLVPRGSH MAPMTQTTSL KTSWVNCSNM IDEIITHLKQ PPLPLLDFNN LNGEDQDILM ENNLRRPNLE AFNRAVKSLQ NASAIESILK NLLPCLPLAT AAPTRHPIHI KDGDWNEFRR KLTFYLKTLE NAQAQQTTLS LAIF
|Details of Functionality
Measured in a cell proliferation assay using TF-1 human erythroleukemic cell. The ED50 for this effects less or equal to 1 ng/ml.
| Protein/Peptide Type
Biologically Active Protein
>90%, by SDS-PAGE
< 1.0 EU per 1 microgram of protein (determined by LAL method)
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
Packaging, Storage & Formulations
Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.
20mM Tris pH 8.0, 0.2mM PMSF, 10% glycerol
>90%, by SDS-PAGE
Alternate Names for Recombinant Human IL-3 Protein
- Hematopoietic growth factor
- interleukin 3 (colony-stimulating factor, multiple)
- Mast cell growth factor
- mast-cell growth factor
- multilineage-colony-stimulating factor
- Multipotential colony-stimulating factor
- P-cell stimulating factor
- P-cell-stimulating factor
Interleukin-3(IL-3) stimulates the proliferation of hematopoietic pluripotent progenitor cells. It is secreted by activated T cells to support growth and differentiation of T cells from the bone marrow in an immune response. IL-3 exerts its biological activities through binding to specific cell surface receptors. IL-3 receptor is a complex consisting of alpha and beta subunits, which in turn induces activation of JAK2/ STAT5, induction of c-myc, and activation of the Ras pathway. Human IL3 is a protein of 15-17 kDa (133 amino acids). It is synthesized as a precursor containing a hydrophobic secretory signal sequence of 19 amino acids. IL3 contains two putative glycosylation sites at positions 15 and 70 and contains a single disulfide bond (Cys16/84). Recombinant human IL-3 was expressed in E.coli and purified by using conventional chromatography after refolding of the isolated inclusion bodies in a redox buffer.
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Peptides and proteins are guaranteed
for 2 years from date of receipt.
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