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Human TNF-β Protein, His tag (Animal-Free)

Human TNF-β Protein, His tag (Animal-Free)

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Specification

Product name Human TNF-β Protein, His tag (Animal-Free)
Sequence Amino acid sequence derived from Human TNF-β (Leu 35-Leu 205) (P01374) was expressed with 6×His tag at the N-terminus.
Applications His tag
Applications notes Human
Activity Measure by its ability to induce cytotoxicity in L929 cells in the presence of actinomycin D. The ED₅₀ for this effect is <3 pg/mL. The specific activity of recombinant human TNF beta is > 3.3x 10⁸ IU/mg.
Protein length The recombinant Human TNF-β consists of 171 amino acids and predicts a molecular mass of 18.65 kDa.
Preparation method E.coli
Purity > 98 % as determined by SDS-PAGE
Molecular Formula 18.65 kDa
Alternative tumor necrosis factor beta, TNFSF1B, Lymphotoxin-alpha (LT-α),LTA

Product Properties

Formulation Lyophilized from sterile 20mM sodium citrate,0.2 M NaCl, pH 3.5.
Features & Benefits <0.1 EU per μg of the protein as determined by the LAL method.
Molecular weight 18.65 kDa
Usage notes Always centrifuge tubes before opening. It is recommended to reconstitute the lyophilized recombinant protein to a concentration of 0.1-1 mg/mL using the buffer we provided, and keep at room temperature for at least 20 min to fully dissolve. Please avoid vortex vigorously.
Storage instructions Lyophilized protein product should be stored desiccated below -18°C. Upon reconstitution, the protein should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (5% HSA,10% FBS or 0.1%BSA). Please prevent freeze-thaw cycles.
Shipping Gel pack with blue ice.
Precautions The product listed herein is for research use only and is not intended for use in human or clinical diagnosis. Suggested applications of our products are not recommendations to use our products in violation of any patent or as a license. We cannot be responsible for patent infringements or other violations that may occur with the use of this product.

Additional Information

Background Human TNF beta (Lymphotoxin-alpha) is a 22 kDa cytokine with 205 amino acid residues. TNF beta belongs to tumor necrosis factor (TNF) superfamily as TNF alpha. Binding to lymphotoxin-β receptor (LtβR), canonical and non-canonical NF-κB signal pathway will be activated. TNF beta is related to apoptosis and inflammatory signals
Gene ID 4049
Alternative tumor necrosis factor beta, TNFSF1B, Lymphotoxin-alpha (LT-α),LTA
Accession P01374

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