TNF, Recombinant, Human, aa77-233, His-Tag (Tumor Necrosis Factor, DIF, TNF-alpha, TNFA, TNFSF2)

Size

£479.00

SKU:: 351532
Molecular Weight:: 8.1
Purity:: ≥95% (SDS-PAGE). Endotoxin: ≤1EU/ug (LAL).
Storage Conditions:: -20°C/-70°C
Supplier:: United States Biological
Format:: Supplied as a liquid in PBS, pH 7.4, 10% glycerol.
Extra Details:: TNF, also known as tumor necrosis factor, is cytokine that binds to TNFRSF1A/TNFR1 and TNFRSF1B/TNFBR. It is mainly secreted by macrophages and can induce cell death of certain tumor cell lines. It is potent pyrogen causing fever by direct action or by stimulation of interleukin-1 secretion and is implicated in the induction of cachexia, under certain conditions it can stimulate cell proliferation and induce cell differentiation. Recombinant protein corresponding to aa77-233 from human TNF, fused to His-tag at C-terminal expressed in insect cell. Molecular Weight: ~18.1kD (163aa) Biological Activity: Measured in a cytotoxicity assay using L929 mouse fibrosarcoma cells in the presence of the metabolic inhibitor actinomycin D, the ED50 for this effect is ~0.2ng/ml. Amino Acid Sequence: VRSSSRTPSD KPVAHVVANP QAEGQLQWLN RRANALLANG VELRDNQLVV PSEGLYLIYS QVLFKGQGCP STHVLLTHTI SRIAVSYQTK VNLLSAIKSP CQRETPEGAE AKPWYEPIYL GGVFQLEKGD RLSAEINRPD YLDFAESGQV YFGIIALHHH HHH Storage and Stability: May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 6 months after receipt at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.

Shipping Conditions:: Blue Ice