在Poxvirus中基于结构同质的BEN域蛋白的识别
Fuchuan Jia1, Yixing Shi2, Yang Yu1
1State Key Laboratory of Common Mechanism Research for Major Diseases, Department of Molecular Biology and Biochemistry, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100005, China.
Biochemical and biophysical research communications
|April 19, 2024
概括
在poxvirus中病毒BEN域的结构分析使用AlphaFold2.2. 大多数表现出II型特征,其中一些表现出DNA结合的正电荷表面,揭示了病毒基因劫持的进化见解.
科学领域:
- 结构生物学是结构生物学.
- 病毒学 病毒学
- 生物信息学是一种生物信息学.
背景情况:
- BEND家族蛋白质是甲基动物中发现的DNA结合转录因子.
- 一些病毒包含病毒BEN域,但它们的进化不太清楚.
- 之前的工作建立在BEN域3D建模的silico方法中.
研究的目的:
- 为了分类和理解病毒BEN域在病毒中的演变.
- 预测和分析poxviral BEN域的三级结构.
- 研究这些病毒蛋白结构的功能影响.
主要方法:
- 利用AlphaFold2来预测毒病毒BEN域的三级结构.
- 对预测结构进行了全面的同类比较.
- 进行了静电面电位分析.
主要成果:
- 大多数的poxviral BEN模块被确定为II型BEN.
- 一些poxviral BEN域,包括Orthopoxvirus,Yatapoxvirus和MCV中的特定域,显示了带正电荷的表面.
- 在MC036R和人类BEND3之间注意到了结构上的相似性,包括共享域数和内在无序的区域.
结论:
- 毒病毒BEN域具有结构特征,如正表面电荷,支持DNA结合.
- 这项研究提供了关于BEN蛋白在病毒中的功能作用和进化起源的见解.
- 结构分析有助于理解病毒基因的整合和功能.
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