ArticleAnalytical chemistry2022
Enhanced Top-Down Protein Characterization with Electron Capture Dissociation and Cyclic Ion Mobility Spectrometry.
Article in Analytical chemistry, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Disambiguation of Product Ion Assignments, Including Internal Fragment Ions from Top-Down Mass Spectrometry, Using Ion Mobility-Aligned Fragmentation (MAF).Analytical chemistry · 2026Article
- Parallel Sequencing of the Two Arms on a Bispecific Antibody by Electron Capture Dissociation on a timsOmni Platform Reveals Several By-products in the Controlled Fab-arm Exchange Process.Analytical chemistry · 2026Article
- Top-Down and Middle-Down Mass Spectrometry of Antibodies.Molecular & cellular proteomics : MCP · 2025Review
- Ion Mobility Gas-Phase Separation Enhances Top-Down Mass Spectrometry of Heavily Modified Guide RNA.Analytical chemistry · 2025Article
- Enzymatic oxidation of galacturonides from pectin breakdown contributes to stealth infection by Oomycota phytopathogens.Nature communications · 2025Article
- Roughhousing with Ions: Surface-Induced Dissociation and Electron Capture Dissociation as Diagnostics of Q-Cyclic IMS-TOF Instrument Tuning Gentleness.Journal of the American Society for Mass Spectrometry · 2025Article
- Improved Annotation of Internal Fragments via Trapped-Ion Mobility Enhanced Top-Down Sequencing of Protein Ions.Journal of mass spectrometry : JMS · 2025Article
- A Conformation-Specific Approach to Native Top-down Mass Spectrometry.Journal of the American Society for Mass Spectrometry · 2024Article
- Instrumentation at the Leading Edge of Proteomics.Analytical chemistry · 2024Review
- Direct and Detailed Site-Specific Glycopeptide Characterization by Higher-Energy Electron-Activated Dissociation Tandem Mass Spectrometry.Analytical chemistry · 2024Article
- Characterization of an Omnitrap-Orbitrap Platform Equipped with Infrared Multiphoton Dissociation, Ultraviolet Photodissociation, and Electron Capture Dissociation for the Analysis of Peptides and Proteins.Analytical chemistry · 2023Article
- Article
- Enhancing the Depth of Analyses with Next-Generation Ion Mobility Experiments.Annual review of analytical chemistry (Palo Alto, Calif.) · 2023Review
- Ion Mobility Mass Spectrometry (IM-MS) for Structural Biology: Insights Gained by Measuring Mass, Charge, and Collision Cross Section.Chemical reviews · 2023Review
- Deciphering combinatorial post-translational modifications by top-down mass spectrometry.Current opinion in chemical biology · 2022Review
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Authors and funding
7 authors.
Funding
Abstract
Tandem mass spectrometry of denatured, multiply charged high mass protein precursor ions yield extremely dense spectra with hundreds of broad and overlapping product ion isotopic distributions of differing charge states that yield an elevated baseline of unresolved "noise" centered about the precursor ion. Development of mass analyzers and signal processing methods to increase mass resolving power and manipulation of precursor and product ion charge through solution additives or ion-ion reactions have been thoroughly explored as solutions to spectral congestion. Here, we demonstrate the utility of electron capture dissociation (ECD) coupled with high-resolution cyclic ion mobility spectrometry (cIMS) to greatly increase top-down protein characterization capabilities. Congestion of protein ECD spectra was reduced using cIMS of the ECD product ions and "mobility fractions", that is, extracted mass spectra for segments of the 2D mobiligram (
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