一个蛋白质功能化平台,基于对氨酸残留物的选择性反应
Michael T Taylor1, Jennifer E Nelson1, Marcos G Suero1
1Department of Chemistry, University of Cambridge, Cambridge, UK.
Nature
|October 17, 2018
概括
研究人员开发了一种新的蛋白质功能化的方法,通过选择性地准 metionin 残留物. 这种新的化学选择性标签扩大了化学生物学和蛋白质修饰的工具箱.
科学领域:
- 化学生物学 化学生物学
- 合成化学 合成化学
- 生物化学 生物化学
背景情况:
- 蛋白质经历翻译后的修改,增加功能多样性.
- 化学工具对于在生物学和医学中推进蛋白质结构和功能研究至关重要.
- 现有的蛋白质功能化方法受到严格的生物系统要求的限制.
研究的目的:
- 开发一种用于蛋白质功能化的新型化学选择性标记方法.
- 扩大现有的生物结合策略,以更少探索的氨基酸为目标.
- 为二次生物对等蛋白质功能化过程创建一个多功能平台.
主要方法:
- 开发了一种定制的高价试剂,以向氨酸残留物.
- 利用试剂的电友反应性用于S-Me组向.
- 探索了由可见光介导的二次可见光对应蛋白质结合物的生物对等功能化.
主要成果:
- 在氨酸残留物中实现了快速和选择性的蛋白质功能化.
- 在生物环境条件下和低微分子度下证明成功的生物结合.
- 创建了一个反应性蛋白结合物中间体,以进一步功能化.
结论:
- 开发的方法为蛋白质功能化提供了一个新的,互补的策略.
- 这种方法通过向 metionin 显著扩大了蛋白质功能化工具箱.
- 该平台可以为信息丰富的蛋白质结合体开发新型转换.
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