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Catalog Products » Recombinant Proteins » Cytokines » Interleukin-3 beta (IL-3 β), Rat

IL-3β, Rat

Synonyms MCGF (Mast cell growth factor), Multi-CSF, HCGF, P-cell stimulation factor
Description Interleukin-3 (IL-3) is a pleiotropic cytokine belonging to the interleukin family. IL-3 shares similarities with Granulocyte-Macrophage Colony-Stimulating Factor (GM-CSF) and IL-5: they all have a four-helix bundle structure, are located on the same chromosomes in both human and mouse, are produced by activated T cells, and share receptors. The IL-3/IL-5/GM-CSF receptor family members are all heterodimeric, composed of a receptor-specific α chain and a common β chain. IL-3 is also called multi-colony stimulating factor since it stimulates the development and colony formation of multiple lineages of hematopoietic cells by activating intracellular pathways such as Ras-Raf-ERK and JAK/STAT. IL-3 inhibits apoptosis and promotes cell survival by targeting the anti-apoptotic bcl-2 gene family.
Recombinant rat Interleukin-3 beta (rrIL-3 beta) produced in E. coli is a single non-glycosylated polypeptide chain containing of 144 amino acids. A fully biologically active molecule, rrIL-3 beta has a molecular mass of 16.3 kDa analyzed by non-reducing SDS-PAGE and is obtained by proprietary chromatographic techniques at GenScript.
Accession No P97688
Species Rat
Source E. coli
Specific Activity ED50 < 5 ng/mL, measured by a cell proliferation assay using NFS-60 cells, corresponding to a specific activity of > 2 × 105 units/mg.
Sequence
MISDRGSDAH HLLRTLDCRT IALEILVKLP YPQVSGLNNS
DDKANLRNST LRRVNLDEFL KSQEEFDSQD TTDIKSKLQK
LKCCIPAAAS DSVLPGVYNK DLDDFKKKLR FYVIHLKDLQ
PVSVSRPPQP TSSSDNFRPM TVEC

Measured Molecular Weight 16.3 kDa, observed by non-reducing SDS-PAGE.
Purity > 95% as analyzed by SDS-PAGE and HPLC.
Formulation Lyophilized after extensive dialysis against PBS.
Reconstitution Reconstituted in ddH2O at 100 μg/mL.
Endotoxin Level < 0.2 EU/μg, determined by LAL method.
Storage Lyophilized recombinant rat Interleukin-3 beta (rrIL-3 beta) remains stable up to 6 months at -80°C from date of receipt. Upon reconstitution, rrIL-3 beta remains stable up to 2 weeks at 4°C or up to 3 months at -20°C.
Note For research use only




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Cat. No. Z03165
Size
Price
50 ug $159.00
10 ug $65.00
1 mg $1200.00
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