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超分辨率的近距离标签显示了抗病毒蛋白网络及其对抗SARS-CoV-2病毒蛋白的结构变化

Yun-Bin Lee¹, Minkyo Jung², Jeesoo Kim³

¹Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea.

|July 21, 2023

概括

这项研究引入了一种超高分辨率的近距离标记方法,用于绘制SARS-CoV-2蛋白质相互作用的地图. 该方法确定了与病毒蛋白相互作用的宿主因素,揭示了减少感染率的潜在目标.

科学领域:

病毒学病毒学
分子生物学分子生物学
生物化学生物化学

背景情况:

严重急性呼吸道综合征冠状病毒2 (SARS-CoV-2) 感染涉及病毒蛋白和宿主细胞机械之间的复杂相互作用.
了解这些病毒与宿主相互作用对于开发有效的抗病毒策略至关重要.

研究的目的:

开发和应用一种新的超分辨率近距离标记 (SR-PL) 方法,用于绘制SARS-CoV-2蛋白质ORF3a和M.的互动组图.
为了确定与SARS-CoV-2ORF3a和M蛋白相互作用的宿主因素.

主要方法:

开发了一种"插即用"的近距离标记酶,TurboID-GBP.
应用SR-PL用于SARS-CoV-2ORF3a和M蛋白的互动组映射.
对生物化互动体的分析,以确定相互作用的.

主要成果:

成功地绘制了SARS-CoV-2ORF3a和M蛋白的互动组图,分别识别了224和272个.
确定了RNF5作为ORF3a相互作用蛋白,参与无素修饰和潜在的蛋白质降解.
证明过度表达RNF5显著降低了宿主细胞中的SARS-CoV-2感染率.

结论:

开发的SR-PL方法对于高分辨率的病毒蛋白互动组映射是有效的.
RNF5是与SARS-CoV-2 ORF3a相互作用的关键宿主因子,影响病毒复制.
准RNF5或其相互作用可能是控制SARS-CoV-2感染的可行策略.

关键词:

CP: 微生物学微生物学在这里,你会看到一个很棒的景点.压力ERER压力ERER压力在MSMSMSMSMSMSMSMSMSMSMS中,我们可以看到在SR-PL中,你需要SR-PL.细胞内膜网膜的内细胞网膜.细胞内膜网膜的压力应激质谱测量质谱测量质谱测量质谱测量质量测量质谱测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量线粒体中的线粒体.超高分辨率的近距离标签病毒病毒病毒病毒

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