Radical-induced, proton-transfer-driven fragmentations in [b5 − H]˙+ ions derived from pentaalanyl tryptophan
Author:
Affiliation:
1. Department of Chemistry and Centre for Research in Mass Spectrometry
2. York University
3. Toronto
4. Canada
5. Department of Chemistry and Biochemistry
Abstract
Dissociation of [b5 − H]˙+ ions show sequence scrambling with the Trp residue and radical centre always retained in the product ions.
Publisher
Royal Society of Chemistry (RSC)
Subject
Physical and Theoretical Chemistry,General Physics and Astronomy
Link
http://pubs.rsc.org/en/content/articlepdf/2015/CP/C5CP00178A
Reference44 articles.
1. Fragmentation reactions of multiply-protonated peptides and implications for sequencing by tandem mass spectrometry with low-energy collision-induced dissociation
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4. The structure and fragmentation of Bn (n≥3) ions in peptide spectra
5. Formation of b2+ ions from protonated peptides: anab initio study
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1. Insight into nucleophilic fragmentation mechanisms by glutamic acid side chain in singly protonated glutathione and related peptidyl ions;European Journal of Mass Spectrometry;2019-12-25
2. Dissociation of [b5 – H]+ ions composed of one α-methyltryptophan and four alanine residues: The effect of the α-methyl group;International Journal of Mass Spectrometry;2019-02
3. Dissociation of [b5]+ ions containing an α-methyltryptophan and four alanine residues; losses of CO2 and the oxazolone ring;International Journal of Mass Spectrometry;2018-06
4. Radical-induced dissociation leading to the loss of CO2from the oxazolone ring of [b5− H]˙+ions;Physical Chemistry Chemical Physics;2016
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