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折扣/货期| 货号：40-446-0.005 mg | 规格：0.005 mg | 目录价：￥3783 |
| 货号：40-446-0.02 mg | 规格：0.02 mg | 目录价：￥5674.5 |
产品详情
* 以下信息仅供参考，详情请以原厂网站为准
产品名称:
TNF alpha Recombinant Protein
别名:
DIF, Tnfa, TNF-a, TNFSF2, Tnfsf1a, TNFalpha, TNF-alpha, Tnfsf2, Tumor necrosis factor, Cachectin
表达系统:
E. coli
保存温度:
The lyophilized TNF alpha recombinant protein is stable for at least 2 years from date of receipt at -20˚C. Reconstituted TNF alpha is stable for at least 3 months when stored in working aliquots with a carrier protein at -20˚C. As with any protein, exposing TNF alpha recombinant protein to repeated freeze / thaw cycles is not recommended. When working with proteins care should be taken to keep recombinant protein at a cool and stable temperature.
运输温度:
Blue Ice
产品形式:
Lyophilized
产地:
美国
生产商:
Prosci
功能与背景:
TNF-alpha is a pleiotrophic pro-inflammatory cytokine secreted by various cells including adipocytes, activated monocytes, macrophages, B cells, T cells and fibroblasts. It belongs to the TNF family of ligands and signals through two receptors, TNFR1 and TNFR2. TNF-alpha is cytotoxic to a wide variety of tumor cells and is an essential factor in mediating the immune response against bacterial infections. TNF-alpha also plays a role in the induction of septic shock, auto immune diseases, rheumatoid arthritis, inflammation, and diabetes. Recombinant murine TNF-alpha is a soluble 156 amino acid protein (17.3 kDa) which corresponds to C-terminal extracellular domain of the full length transmembrane protein.
纯度:
Greater than 98% by SDS-PAGE gel and HPLC analyses.
Endotoxin level is less than 0.1 ng per μg (1EU/μg).
Endotoxin level is less than 0.1 ng per μg (1EU/μg).
生物活性:
The ED50 was determined by the cytolysis of murine L929 cells in the presence of actinomycin D is < 0.1 ng/mL, corresponding to a specific activity of > 1 x 107 units/mg.
Accession #:
NP_001265530.1
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