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Current Topics in Peptide & Protein Research   Volumes    Volume 22 
Abstract
Electron-impact fragmentation of leucine amino acid molecule
Jelena Tamuliene, Liudmila Romanova, Vasyl Vukstich, Hennadiy Bohachov, Alexander Snegursky
Pages: 101 - 107
Number of pages: 7
Current Topics in Peptide & Protein Research
Volume 22 

Copyright © 2021 Research Trends. All rights reserved

ABSTRACT
 
The main pathways of the leucine (C6H13NO2) molecule fragment yield are suggested based on the new data on this molecule fragmentation obtained using a mass spectrometric technique in combination with an extensive density functional theory (DFT) approach. The mass spectrum of leucine was measured and the most intensive peaks of them identified. The absolute values of the appearance energies for some ion fragments were experimentally measured, theoretically calculated and analyzed. Two leucine conformers were chosen to interpret the experimental results and predict the most probable fragmentation pathways.
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