Charging and supercharging of proteins for mass spectrometry: recent insights into the mechanisms of electrospray ionization

L Konermann, H Metwally, Q Duez, I Peters - Analyst, 2019 - pubs.rsc.org
Electrospray ionization (ESI) is an essential technique for transferring proteins from solution
into the gas phase for mass spectrometry and ion mobility spectrometry. The mechanisms …

Mass spectrometry of polymers: A tutorial review

C Wesdemiotis, KN Williams‐Pavlantos… - Mass Spectrometry …, 2024 - Wiley Online Library
Ever since the inception of synthetic polymeric materials in the late 19th century, the number
of studies on polymers as well as the complexity of their structures have only increased. The …

Cryo-EM of soft-landed β-galactosidase: Gas-phase and native structures are remarkably similar

TK Esser, J Böhning, A Önür, DK Chinthapalli… - Science …, 2024 - science.org
Native mass spectrometry (MS) has become widely accepted in structural biology, providing
information on stoichiometry, interactions, homogeneity, and shape of protein complexes …

Collision-induced unfolding reveals disease-associated stability shifts in mitochondrial transfer ribonucleic acids

AG Anders, ED Tidwell, VV Gadkari… - Journal of the …, 2024 - ACS Publications
Ribonucleic acids (RNAs) remain challenging targets for structural biology, creating barriers
to understanding their vast functions in cellular biology and fully realizing their applications …

Investigation of charge-state-dependent compaction of protein ions with native ion mobility–mass spectrometry and theory

AD Rolland, LS Biberic, JS Prell - Journal of the American Society …, 2022 - ACS Publications
The precise relationship between native gas-phase protein ion structure, charge,
desolvation, and activation remains elusive. Much evidence supports the Charge Residue …

Direct observation of ion emission from charged aqueous nanodrops: effects on gaseous macromolecular charging

CC Harper, DD Brauer, MB Francis, ER Williams - Chemical science, 2021 - pubs.rsc.org
Mechanistic information about how gaseous ions are formed from charged droplets has
been difficult to establish because direct observation of nanodrops in a size range relevant …

Native Electrospray Ionization of Multi-Domain Proteins via a Bead Ejection Mechanism

N Khristenko, F Rosu, E Largy, J Haustant… - Journal of the …, 2022 - ACS Publications
Native ion mobility mass spectrometry is potentially useful for the biophysical
characterization of proteins, as the electrospray charge state distribution and the collision …

Structural studies of supramolecular complexes and assemblies by ion mobility mass spectrometry

MM Zimnicka - Mass Spectrometry Reviews, 2024 - Wiley Online Library
Recent advances in instrumentation and development of computational strategies for ion
mobility mass spectrometry (IM‐MS) studies have contributed to an extensive growth in the …

The Ims paradox: a perspective on structural ion mobility‐mass spectrometry

JW McCabe, MJ Hebert, M Shirzadeh… - Mass spectrometry …, 2021 - Wiley Online Library
Studies of large proteins, protein complexes, and membrane protein complexes pose new
challenges, most notably the need for increased ion mobility (IM) and mass spectrometry …

Gas-phase unfolding of protein complexes distinguishes conformational isomers

S Nash, RW Vachet - Journal of the American Chemical Society, 2022 - ACS Publications
Proteins can adopt different conformational states that are important for their biological
function and, in some cases, can be responsible for their dysfunction. The essential roles …