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Unusual ECD fragmentation attributed to gas-phase helix formation in a conformationally dynamic peptide.
Kalapothakis, Jason M D; Berezovskaya, Yana; Zampronio, Cleidiane G; Faull, Peter A; Barran, Perdita E; Cooper, Helen J.
Afiliación
  • Kalapothakis JM; School of Chemistry, University of Edinburgh, Joseph Black Building, King's Buildings, West Mains Road, Edinburgh, UKEH3 9JJ. perdita.barran@ed.ac.uk.
Chem Commun (Camb) ; 50(2): 198-200, 2014 Jan 07.
Article en En | MEDLINE | ID: mdl-24217599
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.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Oligopéptidos Idioma: En Revista: Chem Commun (Camb) Asunto de la revista: QUIMICA Año: 2014 Tipo del documento: Article
Texto completo
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XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Oligopéptidos Idioma: En Revista: Chem Commun (Camb) Asunto de la revista: QUIMICA Año: 2014 Tipo del documento: Article