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ProteomicsMapping physiological ADP-ribosylation using Activated Ion Electron Transfer Dissociation (AI-ETD)
ADP-ribosylation (ADPr) is a post-translational modification that plays pivotal roles in a wide range of cellular processes. Mass spectrometry (MS)-based analysis of ADPr under physiological conditions, without relying on genetic or chemical perturbation, has been hindered by technical limitations. ...
ORGANISM(S): Homo sapiens (Human) 
2020-09-23 | PXD017417 | Pride
Activated ion electron transfer dissociation Post-translational modification Adpr Ptm Parp Ai-etd Adp-ribosylation 
ProteomicsTop-down detection of oxidative protein footprinting by Collision-Induced Dissociation, Electron-Transfer Dissociation and Electron-Capture Dissociation
Fast photochemical oxidation of proteins (FPOP) footprinting is a structural mass spectrometry method that maps proteins by fast and irreversible chemical reactions. The position of oxidative modification reflects solvent accessibility and site reactivity and thus provides information about protein ...
ORGANISM(S): Bos taurus (Bovine) Equus caballus (Horse) 
2023-07-20 | PXD031926 | Pride
Electron-transfer dissociation Fast photochemical oxidation of proteins Top-down Collision-induced dissociation Mass spectrometry. Electron-capture dissociation 
ProteomicsCapillary zone electrophoresis-tandem mass spectrometry with activated ion electron transfer dissociation for large-scale top-down proteomics
Capillary zone electrophoresis (CZE)-tandem mass spectrometry (MS/MS) has been recognized as an efficient approach for top-down proteomics recently for its high-capacity separation and highly sensitive detection of proteoforms. However, the commonly used collision-based dissociation methods often ca...
ORGANISM(S): Escherichia coli 
2019-06-11 | PXD012247 | Pride
Top-down proteomics E. coli Cze-ms Ai-etd 
UnknownRadical solutions: Principles and application of electron-based dissociation in mass spectrometry-based analysis of protein structure.
Not available
S-EPMC6131092 | biostudies-literature
UnknownSequence analysis of peptide:oligonucleotide heteroconjugates by electron capture dissociation and electron transfer dissociation.
Not available
S-EPMC3638748 | biostudies-literature
ProteomicsMS characterization of spidroin-1
For MS characterization of major ampullate spidroin-1 from the three species of Nephila clavipes, edulis and madagascariensis, an experimental approach was developed combining 2-DE with multiple proteolytic in-gel digestion (trypsin, chymotrypsin, pepsin, proteinase K, subtilisin and proteinase 1...
ORGANISM(S): Nephila clavipes (Golden silk orbweaver) 
2022-02-22 | PXD000057 | Pride
Major ampullate silk Nephila sp. Post-translational modifications Phosphorylation Nanolc-esi-cid/etd-ms/ms Spidroin-1 
UnknownProtein derivatization and sequential ion/ion reactions to enhance sequence coverage produced by electron transfer dissociation mass spectrometry.
Not available
S-EPMC4379715 | biostudies-literature
UnknownCapillary Zone Electrophoresis-Tandem Mass Spectrometry with Activated Ion Electron Transfer Dissociation for Large-scale Top-down Proteomics.
Not available
S-EPMC6527361 | biostudies-literature
ProteomicsExtensive backbone cleavage coverage of intact proteoforms in a mass range of 10-70 kDa by integrating electron, collision, and photon-based fragmentation techniques during an electrophoretic timescale
Capillary zone electrophoresis (CZE) –-tandem mass spectrometry (MS/MS) has been documented as a useful tool for top-down proteomics (TDP). However, CZE-MS/MS-based TDP typically has limited backbone cleavage coverage for identified proteoforms due to the use of traditional collision-based fragmenta...
ORGANISM(S): Homo sapiens (Human) 
2026-02-16 | PXD070486 | Pride
Capillary zone electrophoresis mass spectrometry  top-down proteomics  orbitrap ascend tribrid  ultraviolet photodissociation  higher-energy collisional dissociation  electron transfer dissociation 
ProteomicsElectron-based dissociation is needed for O-glycopeptides derived from OpeRATOR proteolysis
The recently described O-glycoprotease OpeRATOR presents exciting opportunities for O-glycoproteomics. This bacterial enzyme purified from A. muciniphila cleaves N-terminally to serine and threonine residues that are modified with (preferably asialylated) O-glycans, providing orthogonal cleavage rel...
ORGANISM(S): Bos taurus (Bovine) Homo sapiens (Human) 
2020-11-03 | PXD020077 | Pride
Glycoproteomics O-glycosites Operator Protease Electron transfer dissociation 
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