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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
Store at -20℃ for one year(Powder);Store at 2-4℃ for two weeks;Store at -20℃ for six months after dissolution.
- 库存:
99
- 供应商:
爱必信(上海)生物科技有限公司
- CAS号:
60477-34-1
- 规格:
50mg/5mg
| 规格: | 50mg | 产品价格: | ¥5094.0 |
|---|---|---|---|
| 规格: | 5mg | 产品价格: | ¥728.0 |
| 公告提醒:爱必信所有产品和服务仅用于科学研究,不用于临床应用及其他用途提供产品和服务(也不为任何个人提供产品和服务)!
抑制剂描述: 产品名称:Pifithrin-β 产品别名:见爱必信官网 英文别名:Pifithrin-β 靶点:p53 CAS:60477-34-1 纯度: 外观:见爱必信官网 保存方法:Store at -20℃ for one year(Powder);Store at 2-4℃ for two weeks;Store at -20℃ for six months after dissolution. 描述:Pifithrin-β is a potent p53 inhibitor with an IC50 of 23 μM. 溶解性:10 mM in DMSO 体外研究: Pifithrin-α, an inhibitor of the p53 protein, is regarded as a lead compound for cancer and neurodegenerative disease therapy. Pifithrin-α is very unstable in culture medium and rapidly converts to its condensation product pifithrin-β, the N-acetyl derivative. After 24 h, the viability assay shows that the pretreatments with 1 and 10 μM pifithrin-β exerts neuroprotective effects. 体内研究:Pifithrin-α, an inhibitor of the p53 protein, is regarded as a lead compound for cancer and neurodegenerative disease therapy. Pifithrin-α is very unstable in culture medium and rapidly converts to its condensation product pifithrin-β, the N-acetyl derivative. After 24 h, the viability assay shows that the pretreatments with 1 and 10 μM pifithrin-β exerts neuroprotective effects.
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文献和实验素(又称亚铁原卟啉)组成(图5-12)。每个血红素又由4个吡咯基组成一个环,中心为一铁原子。每个珠蛋白有4条多肽链,每条多肽链与1个血红至少连接构成Hb的单体或亚单位。Hb是由4个单体构成的四聚体。不同Hb分子的珠蛋白的多肽链的组成不同。成年人Hb(HbA)的多肽链是2条α链和2条β链,为α 2 β 2 结构。胎儿Hb(HbF)是2条α链和2条γ链,为α 2 γ 2 结构。出生后不久HbF即为HbFA所取代。多肽链中氨
链是2条α链和2条β链,为α 2 β 2 结构。胎儿Hb(HbF)是2条α链和2条γ链,为α 2 γ 2 结构。出生后不久HbF即为HbFA所取代。多肽链中氨基酸的排列顺序已经清楚。每条α链含141个氨基酸残基,每条β链含146个氨在酸残基。血红素的Fe2+均连接在多肽链的组氨基酸残基上,这个组氨酸残基若被其它氨基酸取代,或其邻近的氨基酸有所改变,都会影响Hb的功能。可见蛋白质结构和功能密切相关。
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