强效和选择性SETDB1共价负基调节器 降低细胞中的甲基转移酶活性
bioRxiv : the preprint server for biology
|October 10, 2024
概括
研究人员开发了UNC10013,一种强大的共价接体,向SETDB1的三重图多域 (3TD). 这种选择性分子调节细胞中的SETDB1活性,为研究癌症和神经退行性疾病提供了一个新的工具.
科学领域:
- 生物化学 生物化学
- 化学生物学 化学生物学
- 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.
背景情况:
- SETDB1 (SET域分叉1) 是一个关键的表观遗传调节器,与癌症和神经退行性疾病有关.
- SETDB1的三重图多尔域 (3TD) 作为氨酸甲基化标记的读取器,对其生物功能至关重要.
研究的目的:
- 为了识别和描述针对SETDB1 3TD的小分子配体.
- 为研究SETDB1在疾病中的作用开发一种强效和选择性的共价抑制剂.
主要方法:
- 高通量选用于识别初始连接体.
- 基于结构的药物设计和化学优化.
- 生物化学测试以确定连接体强度和选择性.
- 基于细胞的测试来评估目标参与和功能影响.
主要成果:
- 发现了UNC6535,一个双TD2/TD3绑定器.
- 开发了UNC10013,这是第一个向Cys385.5的共价3TD配体.
- UNC10013表现出高强度 (k 无作用 /K I = 1.0 x 10 6 M -1 s -1) 和全蛋白质组的选择性.
- UNC10013作为细胞中SETDB1介导的Akt甲基化的一个负基调节剂.
结论:
- UNC10013是SETDB1 3TD的强大,选择性和细胞活性共价联体.
- 这种化合物表现出负基调节器特性.
- UNC10013作为一种有价值的化学探针,用于调查SETDB1在疾病进展中的生物学作用.
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