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The application of ion-mobility mass spectrometry for structure/function investigation of protein complexes.


ABSTRACT: Ion-mobility mass spectrometry (IM-MS) is an approach that can provide information on the stoichiometry, composition, protein contacts and topology of protein complexes. The power of this approach lies not only in its sensitivity and speed of analysis, but also in the fact that it is a technique that can capture the repertoire of conformational states adopted by protein assemblies. Here, we describe the array of available IM-MS based tools, and demonstrate their application to the structural characterization of various protein complexes, including challenging systems as amyloid aggregates and membrane proteins. We also discuss recent studies in which IM-MS was applied towards investigations of conformational transitions and stabilization effects induced by protein interactions.

SUBMITTER: Ben-Nissan G 

PROVIDER: S-EPMC5796646 | biostudies-literature | 2018 Feb

REPOSITORIES: biostudies-literature

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The application of ion-mobility mass spectrometry for structure/function investigation of protein complexes.

Ben-Nissan Gili G   Sharon Michal M  

Current opinion in chemical biology 20171109


Ion-mobility mass spectrometry (IM-MS) is an approach that can provide information on the stoichiometry, composition, protein contacts and topology of protein complexes. The power of this approach lies not only in its sensitivity and speed of analysis, but also in the fact that it is a technique that can capture the repertoire of conformational states adopted by protein assemblies. Here, we describe the array of available IM-MS based tools, and demonstrate their application to the structural cha  ...[more]

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