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从人类单通膜蛋白中发现跨膜螺旋二分体的高通量发现,使用TOXGREEN sort-seq

Samantha M Anderson^1,2, Joshua Choi^1,2, Emma M Cushman¹

¹Department of Biochemistry, University of Wisconsin-Madison, 433 Babcock Dr., Madison, WI 53706, USA.

|October 16, 2025

概括

我们开发了TOXGREEN sort-seq,这是一种高通量方法,用于研究跨膜螺旋体的寡合化. 这种技术准确地绘制了蛋白质接口,揭示了免疫反应和细胞信号传递中的关键二次体.

科学领域:

生物化学生化学
分子生物学分子生物学
结构生物学结构生物学

背景情况:

跨膜螺旋的寡合化对于单通膜蛋白的功能至关重要.
这些过程的错误调节与各种疾病有关.
目前研究寡合化接口的方法具有低通量.

研究的目的:

开发一种高通量试验,用于测量跨膜螺旋体的寡合化.
为了使寡合化接口的大规模映射.
为了验证预测的蛋白质二次体的结构模型.

主要方法:

开发TOXGREEN sort-seq,一个高通量遗传记者测试.
使用光激活细胞分类和下一代测序.
单通膜蛋白结构的大型库的扫描突变发生.

主要成果:

在大型图书馆中,TOXGREEN sort-seq 准确地测量了跨膜螺旋体的寡合化.
为17400个构造物生成了高质量的突变配置文件.
对12个参与免疫反应,运输和信号传递的二次体的验证结构模型.
在semaphorins中观察到强烈的二元化,与计算结构一致.

结论:

TOXGREEN sort-seq是一种强大而高效的方法,用于研究跨膜螺旋体的寡合化.
分化是各种单通膜蛋白的功能的重要因素.
该研究提供了对关键蛋白相互作用的验证结构见解.

关键词:

在ToxCAT中,我们可以使用ToxCAT.托克斯格林 (Toxgreen) 是一个绿色的产品.分化二元化是指二元化的过程.塞马福林是什么意思塞马福林是什么意思跨膜螺旋的螺旋体

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