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Royal Society of Chemistry, Chemical Communications, 2(50), p. 198-200

DOI: 10.1039/c3cc46356g

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Unusual ECD fragmentation attributed to gas-phase helix formation in a conformationally dynamic peptide

Journal article published in 2014 by Jason M. D. Kalapothakis, Yana Berezovskaya, Cleidiane G. Zampronio ORCID, Peter A. Faull, Perdita E. Barran, Helen J. Cooper
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Abstract

The helix-forming character of a model decapeptide, L4PL4K, is determined in the absence of solvent using ion mobility mass spectrometry, electron capture dissociation and molecular mechanics simulations. Unusual ECD fragmentation patterns dominated by b ions are attributed to helix formation upon electron capture and as a signature of conformational dynamics. ; Kalapothakis, Jason M D Berezovskaya, Yana Zampronio, Cleidiane G Faull, Peter A Barran, Perdita E Cooper, Helen J eng England Cambridge, England 2013/11/13 06:00 Chem Commun (Camb). 2014 Jan 7;50(2):198-200. doi: 10.1039/c3cc46356g.