Simple and efficient knockdown of His-tagged proteins by ternary molecules consisting of a His-tag ligand, a ubiquitin ligase ligand, and a cell-penetrating peptide
作者:Takayuki Hattori、Koyo Okitsu、Norikazu Yamazaki、Nobumichi Ohoka、Norihito Shibata、Takashi Misawa、Masaaki Kurihara、Yosuke Demizu、Mikihiko Naito
DOI:10.1016/j.bmcl.2017.08.001
日期:2017.9
molecules, BS-Tat-Ni-NTA, MV1-Tat-Ni-NTA, BS-R9-Ni-NTA, and MV1-R9-Ni-NTA, efficiently degraded His-tagged cellular retinoic acid binding protein 2 via the ubiquitin–proteasome system (UPS). This system will become a useful tool for research into selective protein degradation inducers that act via the UPS.
我们基于识别与目标蛋白质(POI)融合的His标签的识别,设计并合成了用于蛋白质敲除方法的杂合分子。合成的目标蛋白降解诱导剂包含三个功能部分:His-tag配体(次氮基三乙酸镍[ Ni-NTA ]),E3配体(bestatin [ BS ]或MV1)和载体肽(Tat或壬精氨酸[ R9 ]) )。设计的杂合分子BS-Tat-Ni-NTA,MV1-Tat-Ni-NTA,BS-R9-Ni-NTA和MV1-R9-Ni-NTA,通过泛素-蛋白酶体系统(UPS)有效降解了带有His标记的细胞视黄酸结合蛋白2。该系统将成为研究通过UPS起作用的选择性蛋白质降解诱导剂的有用工具。