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Human IL-12B p40 Recombinant

IL-12

accession:  P29460
   Size A     2ug   $ 70
   Size B      10ug  $160
   Size C      1mg  $ 6000
Domain  :  Fibronectin
Gene  :  IL12
Catalog no. :  RKP294601
Source:
DNA sequence encoding extracellular domain of Human IL-12B  fused to a C-terminal polyHis tag was expressed in HEK cells.

 
Molecular weight:

Recombinant Human Interleukin-12B p40 subunit  is a monomer consisting of 306 amino acid residue , and migrates as an approximately 46 kDa protein under reducing conditions in SDS-PAGE.

 
Purity:
>95%, as determined by SDS-PAGE

 
Biological Activity:
The activity was determined by its ability to bind recombinant Human IL-12RB1 in functional ELISA .

 
Protein Sequence

 

        10         20         30         40         50         60 
MCHQQLVISW FSLVFLASPL VAIWELKKDV YVVELDWYPD APGEMVVLTC DTPEEDGITW 

        70         80         90        100        110        120 
TLDQSSEVLG SGKTLTIQVK EFGDAGQYTC HKGGEVLSHS LLLLHKKEDG IWSTDILKDQ 

       130        140        150        160        170        180 
KEPKNKTFLR CEAKNYSGRF TCWWLTTIST DLTFSVKSSR GSSDPQGVTC GAATLSAERV 

       190        200        210        220        230        240 
RGDNKEYEYS VECQEDSACP AAEESLPIEV MVDAVHKLKY ENYTSSFFIR DIIKPDPPKN 

       250        260        270        280        290        300 
LQLKPLKNSR QVEVSWEYPD TWSTPHSYFS LTFCVQVQGK SKREKKDRVF TDKTSATVIC 

       310        320        330 
RKNASISVRA QDRYYSSSWS EWASVPCS 

 

(*)Complete precursor sequence shown, expressed chain highlighted
 

Endotoxin:
Endotoxin content was assayed using a LAL gel clot method.
Endotoxin level was found to be less than 0.1 ng/µg(1EU/µg).

 
Presentation:
Recombinant Human IL-12B p40  was lyophilized from a 0.2 μm filtered PBS solution pH 7.4.

 
Reconstitution:
A quick spin of the vial followed by reconstitution in distilled water to a concentration not less than 0.1 mg/mL. This solution can then be diluted into other buffers.

 
Storage:
The lyophilized protein is stable for at least 2 years from date of receipt at -20° C.
Upon reconstitution, this cytokine can be stored in working aliquots at 2° - 8° C for one month, or at -20° C for six months, with a carrier protein without detectable loss of activity.

Avoid repeated freeze/thaw cycles.

 
Usage:
This cytokine product is for research purposes only.It may not be used for therapeutics or diagnostic purposes.

 

IL12

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 PBM

Related Publications:
expression, engineering and characterization of the tumor-targeting heterodimeric immunocytokine f8-IL12
Protein Eng. Des. Sel., Aug 2010; 23: 653 - 661.
il-12 p35, IL12/23p40 and il-23 p19 subunit expression in giant-cell arteritis (gca)
Ann Rheum Dis, Jun 2007; 66: 140.
treatment of experimental murine pancreatic peritoneal carcinomatosis with fibroblasts genetically modified to express IL12: a role for peritoneal innate immunity
Gut, Jan 2007; 56: 107 - 114.
prophylaxis against carcinogenesis in three kinds of unestablished tumor models via IL12-gene-engineered mscs
Carcinogenesis, Dec 2006; 27: 2434 - 2441.
combination of local, non-viral IL12 gene therapy and systemic paclitaxel chemotherapy in a syngeneic id8 mouse model for human ovarian cancer
Anticancer Res, Sep 2006; 26: 3223 - 3228.




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