RayBiotech

3607 Parkway Ln Ste 200 Norcross, Georgia 30092

www.RayBiotech.com | info@raybiotech.com

770-729-2992 | +1-888-494-8555

ISO 13485:2016 cGMP

Recombinant Human TNF ALPHA

Catalog #: 229-20151

Product Description

Specifications

Size50 µg
Estimated Lead Time1-2 weeks
SpeciesHuman
Protein Name / Synonyms
TNF ALPHA,
Purity
>98% by SDS PAGE and HPLC analysis
Molecular Weight (kDa)
17.4kD (157 Amino acid sequence)
Format
Purified recombinant cytokine - lyophilized
Concentration (lot specific)
Total protein concentration ~0.1 mg/ml after reconstitution
Preservative
None present
Recommended ApplicationsELISA (0.2-0.4ng/well), Functional Assays (0.05-20.0ng/ml), Western Blotting (1.5-3.0ng/lane), ELISA (0.2-0.4ng/well), Functional Assays (0.05-20.0ng/ml), Western Blotting (1.5-3.0ng/lane)
Endotoxin Level<0.1ng/ug
Research AreaCardiovascular Disease, Inflammation
Shipping TypeAmbient temperature
Storage-20°C

Description

Description

229-20151 is an E. coli-derived recombinant protein corresponding to the C-terminal 157 amino acids of human Tumour Necrosis Factor Alpha (TNFa), a cytokine which exerts cytotoxic effects on a wide range of tunour cells.

229-20151 has an ED50 of <0.05 ng/ml as determined by an assay measuring cytolysis of L929 cells in the presence of Actinomycin D.

Specifications

Size
50 ug
Assay Buffers
TRIS buffered saline

Stability & Storage

Storage/Stability
Prior to reconstitution store at +4°C. Following reconstitution store at -20°C.

This product should be stored undiluted.

Storage in frost-free freezers is not recommended. Avoid repeated freezing and thawing as this may denature the protein. Should this product contain a precipitate we recommend microcentrifugation before use. This protein may be stored for3 months from date of reconstitution