logo
logo
Tumor Necrosis Factor beta (TNFb), Recombinant, Human

Cat no: T9160-40B

Tumor Necrosis Factor beta (TNFb), Recombinant, Human

Recombinant Human TNF-b is a single, non-glycosylated, polypeptide chain containing 171aa and having a molecular weight of 18.6kD. The sequence of the first five N-terminal amino acids was determined to be Met-Val-Arg-Ser-Ser. Contains less than 1% dimers and aggregates.\n\nSource: \nE. coli\n\nMolecular Weight:\n~18.6kD\n\nBiological Activity:\nThe ED50 as determined by the cytolysis of mouse L929 cells in the presence of Actinomycin D is <0.05ng/ml, corresponding to a specific activity of 2x10e7IU/mg.\n\nEndotoxin: (same/less than)0.1ng/ug\n\nStorage and Stability:\nLyophilized powder may be stored at -20 degrees C. Reconstitute with sterile buffer or ddH2O, 0.1% HSA or BSA. Aliquot and store at -20 degrees C. Reconstituted product is stable for 6 months at -20 degrees 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.

Prices direct from United States Biological

Quick response times

Exclusive Biosave savings/discounts

SPECIFICATIONS

Catalog Number

T9160-40B

Size

20ug

Form

Supplied as a lyophilized powder. Reconstitute using sterile deionized water to a concentration (same/more than)100ug/ml.

Purity

>98% pure (HPLC, FPLC and reducing and non-reducing SDS-PAGE).

Read more on Supplier website
Advertisehere
MtoZ Horizontal banner
MtoZ Biolabs

Latest promotion FROM:

MtoZ Biolabs
View promotion

Latest promotions

Spend less time on DNA cleanup so you can do more science. The MSB Spin PCRapace is the fastest way to purify your DNA from PCR, restriction digestion, and...

New brilliant antibodies, and new lower prices!For flow cytometry reagents in general, \"bright is better.\" The violet-excitable BD Horizon&trade; BV421 and...

As an incentive to qualify our BSA, we are offering a 20% discount when you purchase your first 100g, 500g or 1000g of any grade of Bovine Serum Albumin....

It is not every day that you are given something for nothing. We are giving away additional spectrophotometer software.Cecil Instruments have enhanced the...

We're so sure that you'll prefer Cayman Assay kits over your present brand that we're willing to give you a free assay kit to prove it!

For the past decade scientists have extensively used ATS secondary toxin conjugates to make their own targeted toxins for in vitro use.The ability to combine...

10% Discount on 2 Rabbit Polyclonal Antibody Service. With over 20 years experience, SDIX has developed into the premier US custom antibody producer,...

Did your supplier increase the price of Fetal Bovine Serum? Did they substitute the US Origin with USDA? Well say no more! Innovative Research is still...

Bulk Cytokines with Custom Vialing.20 - 50% off cytokines, growth factors, chemokines and more...For a limited time Cell Sciences is offering substantial...

Jenway&rsquo;s 73 series spectrophotometer range provides four models with a narrow spectral bandwidth of 5nm and an absorbance range of &ndash;0.3 to 2.5A,...

Are you planning to have a customised antibody made for your research?Since 2000, Everest has been producing a catalog containing thousands of affinity...