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Recombinant Mouse IL12 protein, His-tagged

Cat.No.: IL12-28M
Product Overview: This product contains IL12A & IL12B heterodimer. A DNA sequence encoding the p35 subunit of mouse IL12, termed as IL12A (P43431) (Met 1-Ala 215) was fused with a polyhistidine tag at the C-terminus, constructed the plasmid 1; A DNA sequence encoding the p40 subunit of mouse IL12, termed as IL12B (P43432) (Met 1-Ser 335) was fused with a polyhistidine tag at the C-terminus, constructed the plasmid 2. The two plasmids were co-expressed and the heterodimer was purified.
Description: Interleukin-12 (IL-12), also known as NKSF, TCMF, CLMF and TSF, is a heterodimeric cytokine composed of p35 and p40 subunits. It is produced by monocytes, macrophages, B cells and dendritic cells in response to bacterial lipopolysaccharides and intracellular pathogens. IL-12 signals through the IL-12 receptor complex, which is comprised of IL-12 Rβ1 and IL-12 Rβ2. IL-12 induces the proliferation and activation of hematopoietic stem cells, natural killer cells and T- cells. It is indispensible during the development of Th1 cells, leading to the production of IFN-gamma and IL-2.
Source: HEK293
Species: Mouse
Tag : His
Form: Lyophilized from sterile PBS, pH 7.4.
Bio-activity: 1. Measured by its ability to bind biotinylated recombinant mouse IL12RB2 in a functional ELISA.
2. Measured in a cell proliferation assay using Anti-CD3-stimulated PBMC. The ED50 for this effect is typically 2-8 ng/mL.
Molecular Mass: The recombinant mouse IL12 heterodimer of IL12A/IL12B, comprises 528 (204 + 324) amino acids and has a calculated molecular mass of 60.3 (23.1 + 37.2) kDa. The apparent molecular mass of rh IL12 heterodimer is approximately 28 & 47 kDa respectively in SDS-PAGE under reducing conditions.
Endotoxin: < 1.0 EU per μg of the protein as determined by the LAL method
Purity: > 90 % as determined by SDS-PAGE
Stability: Samples are stable for up to twelve months from date of receipt at -70 centigrade.
Storage: Store it under sterile conditions at -20 centigrade to -80 centigrade. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Gene Name: interleukin 12a [ Mus musculus (house mouse) ]
Official Symbol: Il12a
Synonyms: CLMF; CLMF2; IL-12A; IL-12B; IL12; IMD28; IMD29; NFSK; NKSF; NKSF1;
NKSF2; P35; Il-12a; Il-12b; IL-12p35; Il-12p40; Il12p40; Ll12a; p35; p40
Gene ID: 16159
mRNA Refseq: NM_001159424.2
Protein Refseq: NP_001152896.1
UniProt ID: P43431

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Optional requirements on this protein    +Expand
C-fusion    N-fusion   Non-tagged
His    GST   Fc   Others
<1.0 eu/μg    <0.1 eu/μg   <0.01 eu/μg   Not required
Monomer Isolation    Dimer Isolation    Not required
>80% by SDS-PAGE    >90% by SDS-PAGE   >95% by SDS-PAGE   Others

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