Login

Forgot your password?
New User?
Remember me
banner banner

You are here:Home » Molecular Biology » Growth Factors-TNF » TNF-alpha, Recombinant, Rat (Tumor Necrosis Factor, Cachectin, Tnf, Tumor Necrosis Factor Ligand Superfamily Member 2, TNF-a, Tnfa, Tnfsf2)

TNF-alpha, Recombinant, Rat (Tumor Necrosis Factor, Cachectin, Tnf, Tumor Necrosis Factor
Ligand Superfamily Member 2, TNF-a, Tnfa, Tnfsf2)

Pricing

  For pricing information, USA customers sign in.
  Outside USA? Please contact your distributor for pricing.

Specifications

Tumor Necrosis Factor-alpha (TNF-a) is a potent lymphoid factor that exerts cytotoxic effects on a wide range of tumor cells and certain other target cells.
Catalog #169761
SourceRecombinant protein corresponding to 157aa from rat TNF-alpha expressed in E. coli.
Molecular Weight~17kD
Biological ActivityThe ED50 as determined by the cytolysis of murine L929 cells in the presence of actinomycin D is <0.05ng/ml, corresponding to a specific activity of >2x10e7 units/mg.
Endotoxin Level<0.1ng/ug
Storage and StabilityLyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile buffer or dH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 6 months 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.
Molecular Weight~17kD
SourceE. coli
Purity~95% (HPLC, SDS-PAGE)
Concentration~0.1-1mg/ml after reconstitution
FormSupplied as a lyophilized powder from 1X PBS. Reconstitute with sterile dH2O to 0.1-1mg/ml.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


External Links