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折扣/货期| 货号：40-755 | 规格：2 ug | 目录价：￥4071.6 |
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:
SDF-1beta Recombinant Protein (Animal Free)
别名:
Stromal-Cell Derived Factor-1, CXCL12, PBSF
表达系统:
E. coli
保存温度:
The recombinant protein is stable for at least 2 years from date of receipt at -20˚C. Reconstituted protein is stable for at least 3 months when stored in working aliquots with a carrier protein at -20˚C. As with any protein, exposing the 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:
SDF-1α and β are stromal-derived, CXC chemokines that signal through the CXCR4 receptor. SDF-1α and β chemoattract B and T cells, and have been shown to induce migration of CD34+ stem cells. Additionally, the SDF-1 proteins exert HIV-suppressive activity in cells expressing the CXCR4 receptor. Human and murine SDF-1 proteins act across species. SDF-1α and β contain the four highly conserved cysteine residues present in CXC chemokines. The mature SDF-1β protein, produced by an N-terminal truncation of two additional amino acids, after removal of the signal sequence, contains 72 amino acid residues. Recombinant Human SDF-1β is an 8.5 kDa protein containing 72 amino acid residues.
纯度:
≥ 98% by SDS-PAGE gel and HPLC analyses.
生物活性:
Determined by its ability to chemoattract human peripheral T cells activated with PHA and IL-2 using a concentration range of 20.0-80.0 ng/ml.
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