Biological Noncovalent Complexes By Mass Spectrometry

Author(s): J. Hardouin, C. M. Lange

Journal Name: Current Organic Chemistry

Volume 9 , Issue 3 , 2005

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Mass spectrometry has been used to study noncovalent protein interactions. Two typical ionizations permit the analysis of fragile biomolecules : matrix assisted laser desorption ionization (MALDI) and electrospray ionization (ESI). The gentleness of these techniques allows the detection of intact noncovalent complexes by mass spectrometry. However, the analysis success depends on the sample preparation and the instrumental parameter tuning both in MALDI-MS as well as in ESI-MS. ESI-MS seems to be the best analytical tool for this study as shown by the large number of published articles. Mass spectrometry becomes more and more attractive to obtain rapidly information about multimeric structures and interaction between host and guest.

Keywords: protein complexes, biochemical pathways, fab (fast atom bombardment), noncovalent complexes

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Article Details

Year: 2005
Page: [317 - 324]
Pages: 8
DOI: 10.2174/1385272053369114
Price: $58

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