Recombinant Human E2F2 protein (His Tag)
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- 表达系统： E.coli
- 蛋白编码： Q14209
| 别称 |
E2F2;Transcription factor E2F2
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| 表达系统 |
E.coli
|
| 序列 |
Ala65-Asn437
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| 蛋白编码 |
Q14209
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| 种属 |
Human
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| 计算分子量 |
40.9 kDa
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| 表观分子量 |
55 kDa
|
| 标签 |
N-His
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| 生物活性 |
Not validated for activity
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| 纯度 |
> 95% as determined by reducing SDS-PAGE.
|
| 内毒素 |
< 10 EU/mg of the protein as determined by the LAL method
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| 保存条件 |
Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months.
|
| 运输条件 |
This product is provided as lyophilized powder which is shipped with ice packs.
|
| 制剂 |
Lyophilized from a 0.2 μm filtered solution in PBS with 5% Trehalose and 5% Mannitol.
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| 复溶方法 |
It is recommended that sterile water be added to the vial to prepare a stock solution of 0.5 mg/mL. Concentration is measured by UV-Vis.
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| 背景 |
E2F-2 (viral E2-associated factor 2) is a 50 55 kDa member of the E2F/DP family of transcription factors. It is principally expressed by placenta, and forms a DNA activating E2F heterodimeric complex with DP-1 or-2. This complex, when active, promotes cell cycle progression. In quiescent cells, association with the retinoblastoma-tumor suppressor gene product termed pRB suppresses its activity. Human E2F 2 is 437 amino acids (aa) in length and contains a CDK2 binding region (aa 65 105), a DNA binding domain (aa 107 196), a dimerization segment (aa 197 289), a transactivation region (aa 359 437), and a pRB binding domain (aa 410 427). There are two potential alternate start sites at Met197 and Met342, and one splice variant that shows a two aa substitution for aa 349 437. Over aa 308 437, human E2F-2 is 72% aa identical to mouse E2F-2.
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实验操作视频
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