METHOD FOR PREPARING SITE-SPECIFICALLY MODIFIED PROTEIN BASED ON NOVEL CARBON-CARBON BOND FORMATION
申请人:Korea Advanced Institute of Science and Technology
公开号:US20180066011A1
公开(公告)日:2018-03-08
A method for producing a site-specifically modified protein based on new carbon-carbon bond formation is disclosed, including the following three steps (marking, activation, and coupling steps): (a) marking of the modification site by incorporating a specific amino acid into a selected position of a target protein; (b) activation of the marked site; and (c) coupling of various post-translational modification (PTM) moieties or other chemical groups onto the activated site to obtain a site-specifically modified protein. The method for producing a site-specifically modified protein can incorporate desired diverse chemical groups including post-translational modification (PTM) moieties into a designated site in a target protein through a new carbon-carbon bond. Furthermore, the modified protein having a site-specific PTM exhibits the same chemical and functional properties as that of a target protein present in cells. Thus, the present invention is useful for studies of cellular proteins, human diseases including cancers and neurodegenerative diseases, and new drug discovery.
揭示了一种基于新的碳-碳键形成的方法,用于产生具有特定位点修饰的蛋白质,包括以下三个步骤(标记、激活和偶联步骤):(a) 通过将特定氨基酸纳入目标蛋白质的选定位置来标记修饰位点;(b) 激活标记的位点;以及(c) 将各种翻译后修饰(PTM)基团或其他化学基团偶联到激活位点,从而获得具有特定位点修饰的蛋白质。用于产生具有特定位点修饰的蛋白质的方法可以通过新的碳-碳键将所需的多样化化学基团,包括翻译后修饰(PTM)基团,纳入目标蛋白质的指定位点。此外,具有特定位点PTM的修饰蛋白质表现出与细胞中存在的目标蛋白质相同的化学和功能特性。因此,本发明对于细胞蛋白质、包括癌症和神经退行性疾病在内的人类疾病的研究以及新药物发现是有用的。