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折扣/货期| 货号：40-573 | 规格：0.1 mg | 目录价：￥6493.5 |
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:
TGF-a Recombinant Protein
别名:
TFGA, Protransforming growth factor alpha, EGF-like TGF, TGF-alpha
表达系统:
E. coli
保存温度:
The lyophilized TGF-a recombinant protein is stable for at least 2 years from date of receipt at -20˚C. Reconstituted TGF-a stable for at least 3 months when stored in working aliquots with a carrier protein at -20˚C. As with any protein, exposing TGF-a 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:
TGF-α is an EGF-related polypeptide growth factor that signals through the EGF receptor, and stimulates the proliferation of a wide range of epidermal and epithelial cells. It is produced by monocytes, keratinocytes, and various tumor cells. TGF-α induces transformation anchorage independence in cultured cells. Human, murine and rat TGF-α are cross-species reactive. Recombinant human TGF-α is a 50 amino acid polypeptide (5.5 kDa) which shares approximately 40% sequence homology with EGF, including 6 conserved cysteine residues, which form 3 intramolecular disulfide bonds.
纯度:
Greater than 98% by SDS-PAGE gel and HPLC analyses.
生物活性:
Biological activity was determined by its ability to stimulate the proliferation of mouse Balb/c 3T3 cells. The expected ED50 is ≤ 0.2 ng/mL, corresponding to a specific activity of ≥> 5 x 106 units/mg. Endotoxin level is less than 0.1 ng per μg of TGF-α (1EU/μg).
Accession #:
NP_001093161.1
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