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Species of Origin
Mouse
Expression system
Escherichia coli
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Affinity Tag
His Tag (C-term)
Buffer
Lyophilized from a 0.2 µm filtered solution of PBS, pH 7.4.
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Purity
>98% as determined by SDS-PAGE analysis.
Molecular weight
The protein has a calculated MW of 22.65 kDa.
The protein migrates about 25 kDa under reducing condition (SDS-PAGE analysis). -
Activity
Measure by its ability to induce proliferation in T-cell enriched PBMC. The ED₅₀ for this effect is <0.2 ng/mL.
Endotoxin level
<0.1 EU per 1 μg of the protein by the LAL method.
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Form
Lyophilized
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Specifications
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Background
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Background
Interleukin 12 (IL-12) is a pro-inflammatory cytokine with a molecular weight of 70 kDa composed of two subunits, IL-12 p35 (35 kDa) and IL-12 p40 (40 kDa), and IL-12 p35 as a p35-p35 homo-dimer with 57 kDa molecular weight and a p35 monomer of 27 kDa molecular weight. The p35 molecule is unique to IL-12, while p40 is shared by both IL-12 and IL-23. IL-12 promotes Th1 T cell responses, while IL-23 promotes Th17 T cell responses.
Synonyms
Interleukin-12 subunit alpha, IL-12A, Cytotoxic lymphocyte maturation factor 35 kDa subunit, CLMF p35, IL-12 subunit p35
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Uniprot ID
#P43431
Sequence Note
Arg23-Ala215
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Instruction
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Reconstitution
It is recommended to reconstitute the lyophilized protein in sterile H₂O to a concentration not less than 200 μg/mL and incubate the stock solution for at least 20 min to ensure sufficient re-dissolved.
Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at -20°C or lower for long term storage.
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Stability & Storage
This product is stable after storage at:
- -20°C for 12 months in lyophilized state from date of receipt.
- -20°C or -80°C for 1 month under sterile conditions after reconstitution.
Avoid repeated freeze/thaw cycles.
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Review
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Publication
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Datasheet & Documents
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Disclaimer:For Research Use or Further Manufacturing Only.