Hydrogen atom transfer in the radical cations of tryptophan-containing peptides AW and WA studied by mass spectrometry, infrared multiple-photon dissociation spectroscopy, and theoretical calculations

Andrii Piatkivskyi,Justin Kai-Chi Lau,Giel Berden,Jos Oomens,and Alan C. Hopkinson,K.W.M. Siu,Victor Ryzhov

Hydrogen atom transfer in the radical cations of tryptophan-containing peptides AW and WA studied by mass spectrometry, infrared multiple-photon dissociation spectroscopy, and theoretical calculations

2019

Andrii Piatkivskyi
Justin Kai-Chi Lau
Giel Berden
Jos Oomens
and Alan C. Hopkinson
K.W.M. Siu
Victor Ryzhov

Two types of radical cations of tryptophan—the π-radical cation and the protonated tryptophan-N radical—have been studied in dipeptides AW and WA. The π-radical cation produced by removal of an ele...

Keywords:

Chemistry
Tryptophan
Analytical chemistry
Spectroscopy
Mass spectrometry
Infrared
Hydrogen atom
Photochemistry
Photon
Electrospray ionization
Protonation
Radical
Dissociation (psychology)
Hydrogen atom abstraction
Ion

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