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Updated: May 26, 2025

High-throughput Antiviral Assays to Screen for Inhibitors of Zika Virus Replication

High-throughput Antiviral Assays to Screen for Inhibitors of Zika Virus Replication

Published on: October 30, 2021

一种强大的化基质,用于奇昆古尼亚病毒蛋白酶 (nsP2) 活性.

Sparsh Makhaik^1,2, Wioletta Rut³, Shruti Choudhary⁴

¹Department of Chemistry, University of Massachusetts, Amherst, Massachusetts, USA.

Protein science : a publication of the Protein Society

|February 21, 2025

概括

一种新的化基质,acc-CHIK15-dnp,增强了对 chikungunya 病毒蛋白酶 (CHIKVP) 抑制剂的高通量查. 这种工具可以提高30倍的信号噪声比,用于开发抗奇昆古尼亚病毒 (CHIKV) 药物.

关键词:

在FRET蛋白酶记者中,阿尔法病毒的蛋白酶.氨基炭基甲基库马林是FRET供体中的一种.囊蛋白酶酶的作用是什么丁烯灭火器丁烯灭火器光基板的设计原则化基质的化基质聚蛋白连接模仿的聚蛋白连接模仿蛋白质酶蛋白质酶是一种蛋白质.病毒病毒病毒病毒

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Last Updated: May 26, 2025

High-throughput Antiviral Assays to Screen for Inhibitors of Zika Virus Replication

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Published on: October 30, 2021

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科学领域:

病毒学病毒学
生物化学生物化学
药物发现药物发现药物发现

背景情况:

Chikungunya 病毒 (CHIKV) 是一种新兴的病原体,引起发烧,关节痛和肌痛,目前还没有特定的抗病毒治疗方法.
奇孔古尼亚病毒蛋白酶 (CHIKVP) 对于病毒复制至关重要,也是抗病毒药物开发的关键标.
选CHIKVP抑制剂的现有方法是有限的,特别是那些反映关键的多蛋白分裂部位的方法.

研究的目的:

开发一种强大的化基质,用于有效选CHIKVP抑制剂.
调查CHIKVP识别的基板长度要求.
建立一个优质的工具,用于针对CHIKV的小分子的高通量选 (HTS).

主要方法:

设计和合成一种新型化基质,acc-CHIK15-dnp,使用来自CHIKV nsP3/4连接与ACC-Lys(dnp) 供体-灭器对的15米尔.
对ac-CHIK15-dnp与之前报告的edab8基质的信号噪声比率进行比较.
测试基质对CHIKVP和其他alphavirus蛋白酶的特异性.

主要成果:

与edab8基质相比,新基质acc-CHIK15-dnp的信号噪声比提高了30倍.
acc-CHIK15-dnp是由CHIKVP特别识别的,而不是其他α病毒蛋白酶,这突显了P侧残留物在裂变中的重要性.
改进的基质使得CHIKV抑制剂的小分子HTS显著增强.

结论:

acc-CHIK15-dnp基质是CHIKVP抑制查的高效和特定工具.
这一进步有助于改善治疗 chikungunya 病毒感染的药物发现工作.
这些发现表明,P侧残留物在CHIKVP基质识别中起着关键作用.