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Updated: Jun 29, 2025

Fully Processed Recombinant KRAS4b: Isolating and Characterizing the Farnesylated and Methylated Protein

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Published on: January 16, 2020

生产同位素标记KRAS4b的生产

Troy Taylor¹, William Gillette²

¹NCI RAS Initiative, Cancer Research Technology Program, Frederick National Laboratory for Cancer Research, Frederick, MD, USA.

Methods in molecular biology (Clifton, N.J.)

|April 3, 2024

概括

这项研究提出了生产同位素标记蛋白质的高效方法,这对于结构生物学和药物开发至关重要. 优化的协议产生高纯度的标记KRAS4b,使先进的多同位素和特定地点的标记策略.

科学领域:

蛋白质组学是指蛋白质组学.
结构生物学结构生物学
药物开发药物开发

背景情况:

同位素标记蛋白质是结构生物学和向药物开发的重要工具.
蛋白质标签的进步是由复杂的多同位素标签策略的需要驱动的.

研究的目的:

开发可靠和高效的方法生产同位素标记KRAS4b.
为了实现各种标签策略,包括多同位素和特定地点的标签.

主要方法:

高级可溶性KRAS4b表达与优化的同位素合并协议相结合.
在断奶过程中对发酵介质进行修改,以使用来改善生长.
几乎实现了100%的-15 (15N) 纳入.

主要成果:

获得了同位素标记KRAS4b的产量为1.3-24.6 mg/L (中位数为6.4 mg/L).
通过优化增长参数使用,发酵时间从5天减少到3天.
方法与多同位素和特定地点标签兼容.

结论:

开发的方法为生产同位素标记蛋白质提供了可靠和高效的方法.
这些进步促进了结构生物学和药物开发应用的复杂标签策略.

关键词:

15NN 15NN 15NN 15NN 15NN 15N 德化是什么意思德化这是一种同位素同位素.这就是KRAS4bb.这就是NMR的NMR.它们是RAS蛋白质.

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