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Wiley, Rapid Communications in Mass Spectrometry, 11(20), p. 1648-1652

DOI: 10.1002/rcm.2489

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Comparison of the fragmentation pattern induced by collisions, laser excitation and electron capture. Influence of the initial excitation

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This paper is available in a repository.

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Abstract

Collision-induced dissociation, laser-induced dissociation and electron-capture dissociation are compared on a singly and doubly protonated pentapeptide. The dissociation spectrum depends on the excitation mechanism and on the charge state of the peptide. The comparison of these results with the conformations obtained from Monte Carlo simulations suggests that the de-excitation mechanism following a laser or an electron-capture excitation is related to the initial geometry of the peptide. Copyright (c) 2006 John Wiley & Sons, Ltd.