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351302 IL12P40, Recombinant, Human, aa23-328, His-Tag (Interleukin 12 subuit beta, CLMF, NKSF, CLMF2, NKSF2, IL-12B, Natural killer cell stimulatory factor 2, Cytotoxic lymphocyte maturation factor 2, p40) CAS:

Specifications
References
Grade
Purified
Accession Number
NP_002178
Molecular Weight
35.8
EU Commodity Code
30021019
Shipping Temp
Blue Ice
Storage Temp
-20°C

IL12P40 (interleukin 12 subunit beta), also known as natural killer cell stimulatory factor 2, or cytotoxic lymphocyte maturation factor 2, p40, belongs to the type I cytokine receptor family. This protein is a cytokine that can act as a growth factor for activated T and NK cells, enhance the lytic activity of NK/lymphokine-activated killer cells, and stimulate the production of IFN-gamma by resting PBMC. Interleukin 12 is a disulfide-linked heterodimer composed of the 40kD cytokine receptor like subunit encoded by this gene, and a 35kD subunit encoded by IL12A. This cytokine is expressed by activated macrophages that serve as an essential inducer of Th1 cells development.

Recombinant protein corresponding to aa23-328 from human IL12P40, fused to His-tag at C-terminal, expressed in Hi-5 cells.
Molecular Weight
~35.8kD(315aa)
Amino Acid Sequence
ADPIWELKKD VYVVELDWYP DAPGEMVVLT CDTPEEDGIT WTLDQSSEVL GSGKTLTIQV KEFGDAGQYT CHKGGEVLSH SLLLLHKKED GIWSTDILKD QKEPKNKTFL RCEAKNYSGR FTCWWLTTIS TDLTFSVKSS RGSSDPQGVT CGAATLSAER VRGDNKEYEY SVECQEDSAC PAAEESLPIE VMVDAVHKLK YENYTSSFFI RDIIKPDPPK NLQLKPLKNS RQVEVSWEYP DTWSTPHSYF SLTFCVQVQG KSKREKKDRV FTDKTSATVI CRKNASISVR AQDRYYSSSW SEWASVPCSH HHHHH
Storage and Stability
May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 6 months after receipt at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Source
Recombinant, Hi-5 cells
Concentration
~0.1mg/ml
Form
Supplied as a liquid in 20mM Tris-HCl, pH 8.0, 2mM DTT, 100mM sodium chloride, 0.1mM PMSF, 20% glycerol.
Important Note
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
References
1. Oppmann B., et al (2000) Immunity 13:715-725(2000). 2. Presky et al. (1996) Proc. Natl. Acad. Sci. U.S.A. 93(24): 14002–7.
USBio References
No references available
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