ArticleJournal of the American Society for Mass Spectrometry2024
Proteins Can Withstand More Extensive Labeling while Providing Accurate Structural Information in Covalent Labeling-Mass Spectrometry.
Article in Journal of the American Society for Mass Spectrometry, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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Who cites it
7 citing papers in PubMed, 9 citations in OpenAlex.
- Mass spectrometry-based mapping of conformational epitopes on SARS-CoV-2 antigens targeted by monoclonal antibodies.International journal of biological macromolecules · 2026Article
- Capturing Early Aggregation Transitions of Disordered Tau by Covalent Footprinting Mass Spectrometry.Analytical chemistry · 2026Article
- Cross-Linking and Covalent Labeling Mass Spectrometry Reveal Proteoform-Driven Conformational Changes in Alpha Synuclein.Analytical chemistry · 2026Article
- Mass Spectrometry-Driven Epitope Mapping: Application of Diethylpyrocarbonate Covalent Labeling for the Immunotherapeutic Target Programmed Cell Death Protein 1.Journal of the American Society for Mass Spectrometry · 2025Article
- Investigating Protein-Nucleic Acid Binding Interactions with Diethylpyrocarbonate Covalent Labeling-Mass Spectrometry.Journal of the American Society for Mass Spectrometry · 2024Article
- The path forward for protein footprinting, covalent labeling, and mass spectrometry-based protein conformational analyses.Journal of mass spectrometry : JMS · 2024Review
- Evaluating Chemical Footprinting-Induced Perturbation of Protein Higher Order Structure.Analytical chemistry · 2024Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
Diethylpyrocarbonate (DEPC) covalent labeling-mass spectrometry (CL-MS) has been extensively utilized to study protein structure and interactions owing to its ease of use, commercial availability, and broad labeling of nucleophilic residues. During typical CL-MS experiments with DEPC, the extent of labeling is kept low to avoid any structural perturbations resulting from covalent modification of the protein. In this study, we demonstrate that proteins can be labeled more extensively via DEPC and still provide accurate structural information. To show this, we modeled labeling kinetics over a range of DEPC concentrations and used molecular dynamics simulations to investigate the molecular-level effects of extensive labeling on the protein structure. Our results indicate that higher extents of DEPC labeling do not significantly perturb the protein structure and can lead to improved precision, detectability of labeled peptides, and protein structural resolution. Furthermore, higher extents of labeling enable better identification of protein-ligand binding sites where lower extents of modification provide ambiguous results.
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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.