Assessment of Mitochondrial Protein Topology and Membrane Insertion.

Assessment of Mitochondrial Protein Topology and Membrane Insertion.
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线粒体蛋白质拓扑和膜插入的评估

DOI:
10.1007/978-1-0716-1653-6_13
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发表时间:
2022
影响因子:
--
通讯作者:
Carrie
Carrie
中科院分区:
--
文献类型:
--
作者:
Schafer;Engstler;Dischinger;Carrie

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分析线粒体蛋白的膜完整性和拓扑结构对于真正理解其功能至关重要。在本章中,我们演示了如何使用基于免疫学的分析和体内自组装GFP方法来分析线粒体膜蛋白。首先,研究线粒体内蛋白质的溶解度或膜关联的免疫学方法被描述。通过这种方法,我们展示了如何确定膜整合蛋白的可溶结构域的拓扑结构。利用蛋白质特异性抗体,利用线粒体、外膜破裂线粒体和溶解线粒体膜中的蛋白酶K,通过蛋白质水解裂解方法分析蛋白质可溶性结构域的定位。在第二种方法中,我们使用体内自组装GFP定位方法确定植物线粒体蛋白的拓扑结构。
Analyzing the membrane integrity and topology of a mitochondrial protein is essential for truly understanding its function. In this chapter, we demonstrate how to analyze mitochondrial membrane proteins using both an immunological-based assay and an in vivo self-assembling GFP approach. First, immunological approaches to investigate the solubility or membrane association of a protein within mitochondria are described. With this method, we demonstrate how the topology of soluble domains of a membrane-integrated protein can be determined. Using protein-specific antibodies, the localization of the soluble domains of a protein are analyzed by a proteolytic-cleavage approach using proteinase K in mitochondria, outer membrane-ruptured mitochondria, and solubilized mitochondrial membranes. In a second approach, we determine the topology of plant mitochondrial proteins using an in vivo self-assembling GFP localization approach.
DOI: 10.1007/978-1-4939-2639-8_5
发表时间: 2015-01-01
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影响因子: --
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