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研究领域化学科学有机化学自由基化学
由稳定基实现的生物对等光催化蛋白标记和交叉链接

由稳定基实现的生物对等光催化蛋白标记和交叉链接

Jiawei Tan ¹, Kejia Hao ¹, Yi Yuan ^2,3, Shasha Xie ¹, Li Qi ¹, Qiaoling Che ^1,4, Yan Li ⁵, Renxiao Wang ⁵, Yaoyang Zhang ^2,6, Yiyun Chen ^1,4,7

Jiawei Tan ¹, Kejia Hao ¹, Yi Yuan ^2,3

¹State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032 China.
²Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 100 Haike Rd., Shanghai 201210, China.
³University of Chinese Academy of Sciences, Beijing 100049, China.
⁴School of Physical Science and Technology, ShanghaiTech University, 100 Haike Road, Shanghai 201210 China.
⁵Department of Medicinal Chemistry, School of Pharmacy, Fudan University, 826 Zhangheng Road, Shanghai 201203, China.
⁶Shanghai Key Laboratory of Aging Studies, 100 Haike Rd., Shanghai 201210, China.
⁷School of Chemistry and Material Sciences, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, 1 Sub-lane Xiangshan, Hangzhou 310024, China.

⁰State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032 China.

Journal of the American Chemical Society +

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2025年十一月28日

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在PubMed上查看摘要

概括

此摘要是机器生成的。

可见光光催化能够通过产生特定的激素在细胞中精确标记蛋白质,克服了研究生物过程的传统紫外线方法的局限性.

科学领域

生物化学
有机化学
化学生物学

背景情况

激进反应对生物应用具有前景,但选择性较低.
现有的方法通常涉及紫外线激发,导致不必要的副作用,如循环添加和原子抽象.

研究的目的

在生物系统中开发一种高度选择性的基因生成方法.
能够精确地对特定区域的蛋白质进行标记和分析活细胞中的生物分子相互作用.

主要方法

可见光光催化剂从类中产生二基.
使用基因组合的基基非天然氨基酸 (Bpa).
在生物对等反应中采用基-基合,避免紫外线诱导的副作用.

主要成果

在初级神经元培养中实现精确的活细胞蛋白标记,细胞毒性最小.
具有高空间选择性的特定位点蛋白质修饰.
参与亡的量化蛋白质二分化接口 (PyrI4) 和已解决的蛋白质相互作用 (Bcl-XL/Bid).

结论

可见光光催化为基于紫外线的交叉链接提供了一个强大的,生物直角的替代方案.
这种方法允许对动态生物分子过程进行时空控制的查询.
该平台可以对蛋白质相互作用和复杂的生物机制进行先进研究.

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相关概念视频

Labeling DNA Probes

Labeling DNA Probes

DNA probes are fragments of DNA labeled with a reporter tag to enable their detection or purification. The resulting labeled DNA probes can then hybridize to target nucleic acid sequences through complementary base-pairing, and may be used to recover or identify these regions.
Radioisotopes, fluorophores, or small molecule binding partners like biotin or digoxigenin, are the most widely used reporter tags for labeling DNA probes. These labels can be attached to the probe DNA molecule via...

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