Recombinant TNF beta (Tumor necrosis factor beta), Human, Animal-Free

TNFSF1B, Lymphotoxin-alpha (LT-α)

Human

His-tag at the N-terminus

Escherichia coli

Human

Cancer Biology; Immunology & Inflammation

<0.1 EU per 1 μg of the protein by the LAL method.

>98% as determined by SDS-PAGE. Ni-NTA chromatography.

Measure by its ability to induce cytotoxicity in L929 cells in the presence of actinomycin D. The ED50 for this effect is 3.3x 108 IU/mg.

Lyophilized

Lyophilized protein should be stored at -20°C. Upon reconstitution, protein aliquots should be stored at -20°C or -80°C.

For research use only.

Cell Culture, ELISA

The protein was lyophilized from a solution containing 20 mM sodium citrate, 0.2 MNaCl, pH 3.5.

4049