Fragmentation pathways of protonated peptides

B Paizs, S Suhai - Mass spectrometry reviews, 2005 - Wiley Online Library
The fragmentation pathways of protonated peptides are reviewed in the present paper
paying special attention to classification of the known fragmentation channels into a simple …

Mobile and localized protons: a framework for understanding peptide dissociation

VH Wysocki, G Tsaprailis, LL Smith… - Journal of Mass …, 2000 - Wiley Online Library
Protein identification and peptide sequencing by tandem mass spectrometry requires
knowledge of how peptides fragment in the gas phase, specifically which bonds are broken …

Collision‐induced dissociation (CID) of peptides and proteins

JM Wells, SA McLuckey - Methods in enzymology, 2005 - Elsevier
The most commonly used activation method in the tandem mass spectrometry (MS) of
peptides and proteins is energetic collisions with a neutral target gas. The overall process of …

Reactions of polypeptide ions with electrons in the gas phase

RA Zubarev - Mass spectrometry reviews, 2003 - Wiley Online Library
Abstract I. Introduction 58 A. Challenges in the Gas‐Phase Fragmentation of Polypeptides
58 B. Ion–Electron Interactions 58 C. Nomenclature 59 II. Instrumental Realization and …

Prediction of low-energy collision-induced dissociation spectra of peptides

Z Zhang - Analytical chemistry, 2004 - ACS Publications
A kinetic model, based on the “mobile proton” model of peptide fragmentation, was
developed to quantitatively simulate the low-energy collision-induced dissociation (CID) …

Statistical characterization of ion trap tandem mass spectra from doubly charged tryptic peptides

DL Tabb, LL Smith, LA Breci, VH Wysocki… - Analytical …, 2003 - ACS Publications
Collision-induced dissociation (CID) is a common ion activation technique used to energize
mass-selected peptide ions during tandem mass spectrometry. Characteristic fragment ions …

Collision‐induced fragmentations of the (M‐H) parent anions of underivatized peptides: An aid to structure determination and some unusual negative ion cleavages

JH Bowie, CS Brinkworth, S Dua - Mass Spectrometry Reviews, 2002 - Wiley Online Library
Abstract I. Introduction 87 II. Discussion 88 A. The Backbone Cleavages of (M‐H)− Parent
Anions of Peptides 88 1. α‐and β‐Backbone Cleavages 89 2. The β′ Cleavage 92 3. The …

Infrared spectroscopy and theoretical studies on gas-phase protonated leu-enkephalin and its fragments: direct experimental evidence for the mobile proton

NC Polfer, J Oomens, S Suhai… - Journal of the American …, 2007 - ACS Publications
The gas-phase structures of the protonated pentapeptide Leu-enkephalin and its main
collision-induced dissociation (CID) product ions, b 4 and a 4, are investigated by means of …

Influence of basic residue content on fragment ion peak intensities in low-energy collision-induced dissociation spectra of peptides

DL Tabb, Y Huang, VH Wysocki, JR Yates - Analytical chemistry, 2004 - ACS Publications
The primary utility of trypsin digestion in proteomics is that it cleaves proteins at predictable
locations, but it is also notable for yielding peptides that terminate in basic arginine and …

Charge-state-dependent sequence analysis of protonated ubiquitin ions via ion trap tandem mass spectrometry

GE Reid, J Wu, PA Chrisman, JM Wells… - Analytical …, 2001 - ACS Publications
One of the major factors governing the “top-down” sequence analysis of intact multiply
protonated proteins by tandem mass spectrometry is the effect of the precursor ion charge …