Recombinant Human TNF alpha Protein

Référence 230-31019-50

Conditionnement : 50ug

Marque : RayBiotech

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Recombinant Human TNF alpha Protein

Recombinant human tumor necrosis factor /TNF alpha protein with a C-terminal His-tag, derived from the transfected human HEK293 cells.
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Product Description

Specifications

Size50 µg
SpeciesHuman
Accession Number
P01375
Gene Symbols
TNF, TNFA
Protein Name / Synonyms
Cachectin, TNF-alpha, Tumor necrosis factor ligand superfamily member 2 (TNF-a).
Expressed Region
Val77-Leu233
Expression SystemHEK293 cells
TagC-terminal His-tag
Purity
>95%
Purity Determined BySDS-PAGE under reducing conditions and visualized by Coomassie blue staining
Molecular Weight (kDa)
Recombinant protein product has a calculated molecular mass of 17 kDa.
Format
Liquid
Formulation
Supplied as a 0.2 µm filtered solution in 1x PBS (pH 7.4) with 1% mannitol and 5% trehalose
Concentration (lot specific)
Refer to the label on the vial for the specific concentration, determined by the Pierce BCA Protein Assay Kit.
Endotoxin Level< 0.5 EU per μg of the protein as determined by the LAL method
Research AreaCardiovascular Disease, Cancer, Inflammation, Necrosis
Shipping TypeBlue ice
Storage-20°C
SDS-PAGE Image
Activity
Decreasing cell viability significantly. Measured in a cytotoxicity assay using MCF‑7 human breast cancer cells. The EC50 for this effect is 4.7 ng/mL.
Storage/Stability
Use a manual defrost freezer and avoid repeated freeze-thaw cycles. Upon arrival, the liquid protein may be stored for 2 weeks at 4°C. For long-term storage, it is recommended to store at -20°C or -80°C in appropriate aliquots. Generally, the shelf life is up to 6 months from the date of receipt at -20°C or -80°C under sterile condition.