Negative-Ion Electron Capture Dissociation: Radical-Driven Fragmentation of Charge-Increased Gaseous Peptide Anions

2011 ◽  
Vol 133 (42) ◽  
pp. 16790-16793 ◽  
Author(s):  
Hyun Ju Yoo ◽  
Ning Wang ◽  
Shuyi Zhuang ◽  
Hangtian Song ◽  
Kristina Håkansson
Keyword(s):  
Electron Capture ◽  
Electron Capture Dissociation ◽  
Negative Ion ◽  
Peptide Anions

scholarly journals Replacing H+ by Na+ or K+ in phosphopeptide anions and cations prevents electron capture dissociation

2018 ◽  
Vol 9 (37) ◽  
pp. 7338-7353 ◽  
Author(s):  
Eva-Maria Schneeberger ◽  
Kathrin Breuker
Keyword(s):  
Electron Capture ◽  
Electron Capture Dissociation ◽  
Bond Cleavage ◽  
Negative Ion ◽  
Alkali Ions ◽  
Anions And Cations

By successively replacing H+ by Na+ or K+ in phosphopeptide anions and cations, we show that the efficiency of fragmentation into c and z˙ or c˙ and z fragments from N–Cα backbone bond cleavage by negative ion electron capture dissociation (niECD) and electron capture dissociation (ECD) substantially decreases with increasing number of alkali ions attached.

scholarly journals Proteoform Differentiation using Tandem Trapped Ion Mobility, Electron Capture Dissociation, and ToF Mass Spectrometry

2021 ◽  
Author(s):  
Kevin Jeanne Dit Fouque ◽  
Desmond Kaplan ◽  
Valery G. Voinov ◽  
Frederik H. V. Holck ◽  
Ole N. Jensen ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Electron Capture ◽  
Electron Capture Dissociation ◽  
Ion Mobility ◽  
Trapped Ion
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