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Dipositively Charged Protonated a3 and a2 Ions: Generation by Fragmentation of [La(GGG)(CH3CN)2]3+†

  1. Tujin Shi Dr.2,
  2. Chi-Kit Siu Dr.1,
  3. K. W. Michael Siu Prof.1,
  4. Alan C. Hopkinson Prof.1

Article first published online: 24 SEP 2008

DOI: 10.1002/ange.200802272

Issue

Angewandte Chemie

Angewandte Chemie

Volume 120, Issue 43, pages 8412–8415, October 13, 2008

Additional Information

How to Cite

Shi, T., Siu, C.-K., Siu, K. W. Michael. and Hopkinson, Alan C. (2008), Dipositively Charged Protonated a3 and a2 Ions: Generation by Fragmentation of [La(GGG)(CH3CN)2]3+. Angew. Chem., 120: 8412–8415. doi: 10.1002/ange.200802272

Author Information

  1. 1

    Department of Chemistry, Centre for Research in Mass Spectrometry, York University, 4700 Keele Street, Toronto, ON, M3J 1P3 (Canada), Fax: (+1) 416-736-5936

  2. 2

    Centre for Research in Neurodegenerative Diseases, University of Toronto, Toronto, ON, M5S 3H2 (Canada)

  1. †

    This study was supported by the Natural Sciences and Engineering Research Council (NSERC) of Canada and made possible by the facilities of the Shared Hierarchical Academic Research Computing Network (SHARCNET: www.sharcnet.ca). We thank Dr. Julia Laskin for helpful discussions on the RRKM modeling.

Publication History

  1. Issue published online: 9 OCT 2008
  2. Article first published online: 24 SEP 2008
  3. Manuscript Revised: 31 JUL 2008
  4. Manuscript Received: 15 MAY 2008

Funded by

  • Natural Sciences and Engineering Research Council (NSERC) of Canada

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Keywords:

  • Dichtefunktionalrechnungen;
  • Iminiumionen;
  • Massenspektrometrie;
  • Moleküldynamik;
  • Peptide
Thumbnail image of graphical abstract

Bleib positiv! Die Dissoziation eines Lanthankomplexes von Triglycin erzeugt ein neuartiges diprotoniertes Iminiumion (siehe Bild; grau C, weiß H, hellblau La, dunkelblau N, rot O), das vielfältige Fragmentierungen eingeht. Diese Klasse von Peptidfragmentionen bietet sich an, um die Auswirkungen von Mehrfachladungen zu modellieren, und könnte sich für die Peptidsequenzierung eignen.

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