Journal
CHEMICAL SOCIETY REVIEWS
Volume 39, Issue 5, Pages 1633-1655Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b914002f
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- Netherlands Proteomics Centre
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Traditionally, mass spectrometry has been a powerful analytical method enabling the structural analysis of small molecules, and later on peptides and proteins. With the advent of native mass spectrometry, using a combination of electrospray ionisation and time of flight analysis, mass spectrometry could also be applied to the mass determination of large protein complexes such as ribosomes and whole viruses. More recently, ion mobility has been coupled to mass spectrometry providing a new dimension in the analysis of biomolecules, with ion mobility separating ions according to differences in size and shape. In the context of native mass spectrometry, ion mobility mass spectrometry opens up avenues for the detailed structural analysis of large and heterogeneous protein complexes, providing information on the stoichiometry, topology and cross section of these assemblies and their composite subunits. With these characteristics, ion mobility mass spectrometry offers a complementary tool in the context of structural biology. Here, we critically review the development, instrumentation, approaches and applications of ion mobility in combination with mass spectrometry, focusing on the analysis of larger proteins and protein assemblies ( 185 references).
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