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Recombinant Human TNF beta/TNFB Protein (Active)

  • Cat.No.:PKSH033166

  • Expression host: E.coli

To Purchase PKSH033166

Size:
  • 10μg
  • 50μg
Price: $144
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Description

Synonyms Lymphotoxin-Alpha; LT-Alpha; TNF-Beta; Tumor Necrosis Factor Ligand Superfamily Member 1; LTA; TNFB; TNFSF1
Species Human
Expression_host E.coli
Sequence Leu35-Leu205
Accession P01374
Application Cell Culture
Mol_Mass 18.8 kDa
AP_Mol_Mass 15 kDa
Bio_Activity Measured in a cytotoxicity assay using L‑929 mouse fibroblast cells in the presence of the metabolic inhibitor actinomycin D. The ED50 for this effect is 20-80 pg/ml.

Properties

Purity > 95 % as determined by reducing SDS-PAGE.
Endotoxin level < 1.0 EU per µg as determined by the LAL method.
Storage Lyophilized proteins are stable for up to 12 months when stored at -20 to -80°C. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months.
Shipping This product is provided as lyophilized powder which is shipped with ice packs.
Formulation Lyophilized from a 0.2 μm filtered solution of 20mM PB, 150mM NaCl, pH 7.4.
Reconstitution Please refer to the printed manual for detailed information.

Background

Tumor Necrosis Factor β (TNF-β) is a secreted protein belonging to the tumor necrosis factor family. TNF-β binds to TNFRSF1A/TNFR1, TNFRSF1B/TNFBR and TNFRSF14/HVEM in homotrimeric form, binds to TNFRSF3/LTBR in heterotrimeric form with LTB. TNF-β forms heterotrimers with lymphotoxin-beta, which anchors TNF-β to the cell surface. TNF-β mediates the inflammatory, immunostimulatory, and antiviral response, involves in the formation of second lymphoid organs during development, has a role in apoptosis. TNF-β is produced by lymphocytes and cytotoxic for a variety of tumor cells in vitro and in vivo.

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