ArticleAnalytical chemistry2022
Top-"Double-Down" Mass Spectrometry of Histone H4 Proteoforms: Tandem Ultraviolet-Photon and Mobility/Mass-Selected Electron Capture Dissociations.
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 31 papers.
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Who cites it
31 citing papers in PubMed, 36 citations in OpenAlex.
- Action Spectroscopy of Mass-Selected Ions-From Principles to Applications.Journal of mass spectrometry : JMS · 2026Review
- A Proteoform-Resolved Atlas of Human Cardiac Histones.Research square · 2026Article
- Combining SDS-PAGE with Capillary Zone Electrophoresis-Tandem Mass Spectrometry for Top-Down Proteomics Analysis of Intact Histone Proteoforms.Methods in molecular biology (Clifton, N.J.) · 2026Article
- Review
- Development and Modification of Ion Mobility Mass Spectrometry Instrumentation for Enhanced Analysis of Biological Molecules.Journal of the American Society for Mass Spectrometry · 2025Review
- Linker H1 Histone Direct Top-Down Proteoform Analysis.Journal of proteome research · 2025Article
- Post-Translational Modifications in Cilia and Ciliopathies.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Review
- Direct histone proteoform profiling of the unannotated, endangered coral Acropora cervicornis.Nucleic acids research · 2025Article
- Histone Analysis Using Mobility- and Mass-Selected Ultraviolet Photodissociation in Tandem with Ultra-High-Resolution Mass Spectrometry.Analytical chemistry · 2025Article
- Native Top-Down Analysis of Membrane Protein Complexes Directly From In Vitro and Native Membranes.Molecular & cellular proteomics : MCP · 2025Article
- Top-Down and Middle-Down Mass Spectrometry of Antibodies.Molecular & cellular proteomics : MCP · 2025Review
- Establishing a Top-Down Proteomics Platform on a Time-of-Flight Instrument with Electron-Activated Dissociation.Journal of proteome research · 2025Article
- Improved Annotation of Internal Fragments via Trapped-Ion Mobility Enhanced Top-Down Sequencing of Protein Ions.Journal of mass spectrometry : JMS · 2025Article
- Mapping heat stress-induced core histone post-translational modifications inEnvironmental epigenetics · 2025Article
- External Data Systems Enable Enhanced (and Sustainable) Fourier Transform Mass Spectrometry Imaging for Legacy Hybrid Linear Ion Trap-Orbitrap Platforms.Journal of the American Society for Mass Spectrometry · 2024Article
- Mobility-Assisted Pseudo-MSJournal of the American Society for Mass Spectrometry · 2024Article
- Online, Bottom-up Characterization of Histone H4 4-17 Isomers.Analytical chemistry · 2024Article
- Top-Down Structural Characterization of Native Ubiquitin Combining Solution-Stable Isotope Labeling, Trapped Ion Mobility Spectrometry, and Tandem Electron Capture Dissociation Mass Spectrometry.Analytical chemistry · 2024Article
- Bottom-up Histone Post-translational Modification Analysis using Liquid Chromatography, Trapped Ion Mobility Spectrometry, and Tandem Mass Spectrometry.Journal of proteome research · 2024Article
- Article
Corrections and comments
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Authors and funding
12 authors at 4 institutions in 1 country.
Funding
Abstract
Post-translational modifications (PTMs) on intact histones play a major role in regulating chromatin dynamics and influence biological processes such as DNA transcription, replication, and repair. The nature and position of each histone PTM is crucial to decipher how this information is translated into biological response. In the present work, the potential of a novel tandem top-"double-down" approach─ultraviolet photodissociation followed by mobility and mass-selected electron capture dissociation and mass spectrometry (UVPD-TIMS-q-ECD-ToF MS/MS)─is illustrated for the characterization of HeLa derived intact histone H4 proteoforms. The comparison between q-ECD-ToF MS/MS spectra and traditional Fourier-transform-ion cyclotron resonance-ECD MS/MS spectra of a H4 standard showed a similar sequence coverage (∼75%) with significant faster data acquisition in the ToF MS/MS platform (∼3 vs ∼15 min). Multiple mass shifts (e.g., 14 and 42 Da) were observed for the HeLa derived H4 proteoforms for which the top-down UVPD and ECD fragmentation analysis were consistent in detecting the presence of acetylated PTMs at the N-terminus and Lys5, Lys8, Lys12, and Lys16 residues, as well as methylated, dimethylated, and trimethylated PTMs at the Lys20 residue with a high sequence coverage (∼90%). The presented top-down results are in good agreement with bottom-up TIMS ToF MS/MS experiments and allowed for additional description of PTMs at the N-terminus. The integration of a 213 nm UV laser in the present platform allowed for UVPD events prior to the ion mobility-mass precursor separation for collision-induced dissociation (CID)/ECD-ToF MS. Selected
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.