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TNF-beta, human recombinant

A protein that controls proliferation, cellular differentiation, & other functions in most cells
Catalog #: 4345
SKU-Size Size Price Qty
4345-20 20 μg
$200.00
4345-1000 1 mg
$3,350.00
More Sizes Get Quote

Product Details

Alternate Name Tumor Necrosis Factor-β, TNFSF1, Lymphotoxin-α (LT-α)
Gene Symbol TNFB
Gene ID 4049
Accession # P01374
Source E. coli
Appearance Lyophilized protein
Physical Form Description Sterile filtered and lyophilized with no additives
Molecular Weight 18.6 kDa
Purity by SDS-PAGE ≥98%
Purity by ≥98%
Endotoxin Level <0.1 ng/μg
Biological Activity The ED₅₀ as determined by the cytolysis of murine L929 cells in the presence of actinomycin D is < 0.05 ng/ml, corresponding to a specific activity of >2 x 10⁷ units/mg.
Reconstitution Instructions Reconstitute in PBS to a concentration of 1 mg/ml. This solution can then be diluted into other aqueous buffers and store at 4°C for 1 week or –20°C for future use. For long term storage, it is recommended to add a carrier protein (0.1% HAS or BSA).
Handling Centrifuge the vial prior to opening.
Storage Conditions -20°C
Shipping Conditions Gel Pack
USAGE For Research Use Only! Not to be used in humans

Details

Tumor Necrosis Factor-β (TNF-β) is a potent lymphoid factor that exerts cytotoxic effects on a wide range of tumor cells and certain other target cells. Human TNF-β is a 18.6 kDa protein containing 171 amino acid residues.


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