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Species of Origin
Mouse
Expression system
Escherichia coli
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Affinity Tag
His Tag (N-term)
Buffer
Lyophilized from a 0.2 µm filtered solution of PBS, pH 8.0.
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Purity
>98% as determined by SDS-PAGE analysis.
Molecular weight
The protein has a calculated MW of 19.36 kDa.
The protein migrates as 11-17 kDa under reducing condition (SDS-PAGE analysis). -
Activity
Measure by its ability to induce cytotoxicity in L929 cells in the presence of actinomycin D. The ED₅₀ for this effect is <30 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
Tumor Necrosis Factor Beta (TNF beta) or lymphotoxin-alpha (LT-α) is a 19 kDa tumor necrosis factor family protein with 171 amino acid residues. TNF beta is mainly expressed from lymphocytes, and mediates variety of inflammatory, immunostimulatory, and antiviral responses. TNF beta also involves development in secondary lymphoid organs. It is cytotoxic for different tumor cells in vitro and in vivo.
Synonyms
Lymphotoxin-alpha, LT-alpha, TNF-beta, Tumor necrosis factor ligand superfamily member 1
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Uniprot ID
#P09225
Sequence Note
Leu34-Leu202
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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.