Combined Experimental and Theoretical Study on the Nature and the Metastable Decay Pathways of the Amino Acid Ion Fragment [ M −H] − | Zendy

Flosadóttir Helga Dögg | Zendy; Denifl Stephan | Zendy; Zappa Fabio | Zendy; Wendt Nina | Zendy; Mauracher Andreas | Zendy; Bacher Arntraud | Zendy; Jónsson Hannes | Zendy; Märk Tilmann D. | Zendy; Scheier Paul | Zendy; Ingólfsson Oddur | Zendy

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Combined Experimental and Theoretical Study on the Nature and the Metastable Decay Pathways of the Amino Acid Ion Fragment [ M −H] −

Author(s) -

Flosadóttir Helga Dögg,

Denifl Stephan,

Zappa Fabio,

Wendt Nina,

Mauracher Andreas,

Bacher Arntraud,

Jónsson Hannes,

Märk Tilmann D.,

Scheier Paul,

Ingólfsson Oddur

Publication year - 2007

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200703327

Subject(s) - metastability , chemistry , ion , ionization , amino acid , nitrogen , hydrogen , electron capture , fragment (logic) , valine , chemical physics , computational chemistry , organic chemistry , biochemistry , programming language , computer science

Breaking up is hard to do : The dominating negative‐ion fragment formed by dissociative electron attachment (DEA) to amino acids or by their ionization through MALDI is [ M −H] − . Three different experimental techniques and molecular dynamics calculations are used to determine the site of hydrogen loss and which metastable decay pathways (for valine, see picture; blue nitrogen, red oxygen) dominate further decay.

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