| 货号 | 规格 | 价格 |
|---|---|---|
| FL121 | ||
| 5μg | ¥198.00 | |
| 25μg | ¥668.00 | |
| 50μg | ¥1380.00 | |
| 100μg | ¥2780.00 | |
| 500μg | ¥6380.00 | |
| 1mg | ¥12700.00 |
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| Appearance | Sterile filtered White lyophilized (freeze-dried) powder. |
|---|---|
| Purity | > 97% by SDS-PAGE or HPLC. |
| Endotoxin | < 0.01 EU/μg of rMuTNF-α protein as determined by LAL method. |
| Expression System | Expressed in E. coli. |
| Species | Mouse |
| Tag | Tag free. |
| Activity | Fully biologically active when compared to standard. Measured in a cytotoxicity assay using L-929 mouse fibroblast cells in the presence of the metabolic inhibitor actinomycin D，The ED50 for this effect is 10-50 pg/ml. |
| Formulation | Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.4. |
| Reconstitution | Before use this product, please read the direction below carefully. This vial must be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in a sterile distilled water or aqueous buffer containing 0.1% BSA to a concentration of 0.1-1.0 mg/ml. Stock solutions should be apportioned into working aliquots and stored at ≤ -20℃. Further dilutions should be made in appropriate buffered solutions. |
| Accession # | P06804 Leu80-Leu235 with an N-terminal Met |
|---|---|
| Amino acid sequence | MLRSSSQNSSDKPVAHVVANHQVEEQLEWLSQRANALLANGMDLKDNQLVVPADGLYLVYSQVLFKGQGCPDYVLLTHTVSRFAISYQEKVNLLSAVKSPCPKDTPEGAELKPWYEPIYLGGVFQLEKGDQLSAEVNLPKYLDFAESGQVYFGVIAL |
| Molecular weight | Approximately 17.4 kDa, a polypeptide chain containing 157 amino acids. The native form of Mouse TNF-α is reportedly a trimer. |
| Stability & Storage | Shipped on wet ice. For long term storage, the product should be stored ≤ -20℃. Please avoid repeated freeze-thaw cycles after reconstitution. 36 months from date of receipt, -20 to -70℃ as supplied. 1 month, 2 to 8℃ under sterile conditions after reconstitution. 3 months, -20 to -70℃ under sterile conditions after reconstitution. |
| Precautions | Recombinant Mouse TNF alpha is for research use only and not for use in diagnostic or therapeutic procedures. |
| Tumor necrosis factor alpha (TNF-α) , also called cachectin, is the best-know member of the TNF-family, which can cause cell death. This protein is produced by neutrophils, activated lymphocytes, macrophages, NK cells, LAK cells, astrocytes endothelial cells, smooth muscle cells and some transformed cells. The naturally-occurring form of TNF-α is glycosylated, but non-glycosylated recombinant TNF-α has comparable biological activity. Human and Mouse TNF-α show approximately 79% homology at the amino acid level and cross-reactivity between the two species. Two types of receptors for TNF-α have been described and virtually all cell types studied show the presence of one or both of these receptor types. The recombinant Mouse TNF-α is a non-glycosylated polypeptide chain containing 157 amino acids. |
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