Ion mobility mass spectrometry (IM-MS) for structural biology: insights gained by measuring mass, charge, and collision cross section

E Christofi, P Barran - Chemical reviews, 2023 - ACS Publications
The investigation of macromolecular biomolecules with ion mobility mass spectrometry (IM-
MS) techniques has provided substantial insights into the field of structural biology over the …

Top-“Double-Down” Mass Spectrometry of Histone H4 Proteoforms: Tandem Ultraviolet-Photon and Mobility/Mass-Selected Electron Capture Dissociations

K Jeanne Dit Fouque, SA Miller, K Pham… - Analytical …, 2022 - ACS Publications
Post-translational modifications (PTMs) on intact histones play a major role in regulating
chromatin dynamics and influence biological processes such as DNA transcription …

Advancing cyclic ion mobility mass spectrometry methods for studying biomolecules: toward the conformational dynamics of mega Dalton protein aggregates

JA Harrison, A Pruska, P Bittner, A Muck… - Analytical …, 2022 - ACS Publications
Native mass spectrometry is a powerful tool for the analysis of noncovalent complexes.
When coupled with high-resolution ion mobility, this technique can be used to investigate …

Trapped ion mobility spectrometry, ultraviolet photodissociation, and time-of-flight mass spectrometry for gas-phase peptide isobars/isomers/conformers discrimination

SA Miller, K Jeanne Dit Fouque… - Journal of the …, 2022 - ACS Publications
Trapped ion mobility spectrometry (TIMS) when coupled with mass spectrometry (MS) offers
great advantages for the separation of isobaric, isomeric, and/or conformeric species. In the …

Top/Middle-Down Characterization of α-Synuclein Glycoforms

SA Miller, K Jeanne Dit Fouque, ER Hard… - Analytical …, 2023 - ACS Publications
α-Synuclein is an intrinsically disordered protein that plays a critical role in the pathogenesis
of neurodegenerative disorders, such as Parkinson's disease. Proteomics studies of human …

Online, Bottom-up Characterization of Histone H4 4–17 Isomers

CN Fuller, K Jeanne Dit Fouque… - Analytical …, 2024 - ACS Publications
The “Histone Code” is comprised of specific types and positions of post-translational
modifications (PTMs) which produce biological signals for gene regulation and have …

Top-Down Structural Characterization of Native Ubiquitin Combining Solution-Stable Isotope Labeling, Trapped Ion Mobility Spectrometry, and Tandem Electron …

K Jeanne Dit Fouque, M Fernandez-Rojas… - Analytical …, 2024 - ACS Publications
Solution-phase hydrogen/deuterium exchange (HDX) coupled to native ion mobility
spectrometry mass spectrometry (IMS-MS) can provide complementary structural information …

Cyclic peptide protomer detection in the gas phase: Impact on CCS measurement and fragmentation patterns

A McCann, C Kune, P Massonnet, J Far… - Journal of the …, 2022 - ACS Publications
With the recent improvements in ion mobility resolution, it is now possible to separate small
protomeric tautomers, called protomers. In larger molecules above 1000 Da such as …

A conformation-specific approach to native top-down mass spectrometry

HM Britt, A Ben-Younis, N Page… - Journal of the American …, 2024 - ACS Publications
Native top-down mass spectrometry is a powerful approach for characterizing proteoforms
and has recently been applied to provide similarly powerful insights into protein …

Advanced Activation Techniques for the Determination of Glycan Structures Using Tandem Mass Spectrometry

C Lin, CE Costello - 2024 - books.rsc.org
Glycans are biopolymers assembled from monosaccharides via the formation of glycosidic
bonds. They are found in nature either as free glycans (oligo-or polysaccharides) or in …