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TNFα
Datasheet   

  • Catalog Number:

    E13-012-2

  • Amount:

    50μg

  • Reconstitution:

    Reconstituted in ddH2O or PBS at 100 μg/ml.

  • Price:

    400$

  • Storage/Stability:

    Lyophilized recombinant Human Tumor Necrosis Factor-alpha (TNF-α), remains stable up to 6 months at lower than -70°C from date of receipt. Upon reconstitution, human TNF-α should be stable up to 1 week at 4°C or up to 3 months at -20°C.

  • Other Names:

    TNF-alpha, Tumor necrosis factor ligand superfamily member 2, TNF-a, Cachectin, DIF, TNFA, TNFSF2

  • Source:

    E. coliSequence: VRSSSRTPSD KPVAHVVANP QAEGQLQWLN RRANALLANG VELRDNQLVV PSEGLYLIYS QVLFKGQGCP STHVLLTHTI SRIAVSYQTK VNLLSAIKSP CQRETPEGAE AKPWYEPIYL GGVFQLEKGD RLSAEINRPD YLDFAESGQV YFGIIAL

  • Species:

    Human

  • Endotoxin:

    Level:Less than 0.2 EU/μg determined by LAL test.

  • Purity:

    > 98% as analyzed by SDS-PAGE and HPLC.

  • Biological Activity:

    ED50 < 30 pg/ml, measured in a cytotoxicity assay using L-929 mouse fibrosarcoma cells in the presence of the metabolic inhibitor actinomycin D, corresponding to a specific activity of > 3.3 x 107 units/mg.Measured Molecular Weight:17.3 kDa, observed by reducing SDS-PAGE.

  • Description:

    Tumor Necrosis Factor-alpha (TNF-a) is a homotrimer with a subunit molecular mass of 17.3 kDa. Tumor Necrosis Factor-alpha(TNF-a) plays a major role in growth regulation, differentiation, inflammation, viral replication, tumorigenesis, and autoimmune diseases; and in viral, bacterial, fungal, and parasitic infections. Besides inducing hemorrhagic necrosis of tumors, TNF has been found to be involved in tumorigenesis, tumor metastasis, viral replication, septic shock, fever, inflammation, and autoimmune diseases including Crohn's disease, and rheumatoid arthritis as well as graft-versus-host disease.Recombinant:Human Tumor Necrosis Factor-alpha (TNF-α) produced in E.coli is a single non-glycosylated polypeptide chain containing 157 amino acids. A fully biologically active molecule, rhTNF-α has a molecular mass of 17.3 kDa analyzed by reducing SDS-PAGE and is obtained by chromatographic techniques at GenScript.

  • Formulation:

    Lyophilized after extensive dialysis against PBS.

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