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折扣/货期| 货号：40-155-0.1 mg | 规格：0.1 mg | 目录价：￥3783 |
| 货号：40-155-0.5 mg | 规格：0.5 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:
IGF-I Recombinant Protein
别名:
IBP3, BP-53, IBP1, Insulin-like growth factor I, Mechano growth factor, IGF-I
表达系统:
E. coli
保存温度:
The lyophilized IGF-I recombinant protein is stable for at least 2 years from date of receipt at -20˚C. Reconstituted IGF-I is stable for at least 3 months when stored in working aliquots with a carrier protein at -20˚C. As with any protein, exposing IGF-I 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:
The IGFs are mitogenic polypeptide growth factors that stimulate the proliferation and survival of various cell types including muscle, bone, and cartilage tissue in vitro. IGFs are predominantly produced by the liver, although a variety of tissues produce the IGFs at distinctive times. The IGFs belong to the Insulin gene family, which also contains insulin and relaxin. The IGFs are similar by structure and function to insulin, but have a much higher growth-promoting activity than insulin. IGF-II expression is influenced by placenta lactogen, while IGF-I expression is regulated by growth hormone. Both IGF-I and IGF-II signal through the tyrosine kinase type I receptor (IGF-IR), but, IGF-II can also signal through the IGF-II/Mannose-6-phosphate receptor. Mature IGFs are generated by proteolytic processing of inactive precursor proteins, which contain N-terminal and C-terminal propeptide regions. Recombinant human IGF-I and IGF-II are globular proteins containing 70 and 67 amino acids, respectively, and 3 intra-molecular disulfide bonds.
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 a cell proliferation assay using FDC - P1 cells is ≤ 2.0 ng/mL, corresponding to a specific activity of ≥ 5 x 105 units/mg.
Accession #:
NP_000589.2
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