Advances in mass spectrometry to unravel the structure and function of protein condensates

C Sahin, A Leppert, M Landreh - Nature Protocols, 2023 - nature.com
Membrane-less organelles assemble through liquid–liquid phase separation (LLPS) of
partially disordered proteins into highly specialized microenvironments. Currently, it is …

Native mass spectrometry for the investigation of protein structural (dis) order

C Santambrogio, E Ponzini, R Grandori - Biochimica et Biophysica Acta …, 2022 - Elsevier
A central challenge in structural biology is represented by dynamic and heterogeneous
systems, as typically represented by proteins in solution, with the extreme case of …

Characterization of Mass, Diameter, Density, and Surface Properties of Colloidal Nanoparticles Enabled by Charge Detection Mass Spectrometry

CC Harper, JS Jordan, S Papanu, ER Williams - ACS nano, 2024 - ACS Publications
A variety of scattering-based, microscopy-based, and mobility-based methods are frequently
used to probe the size distributions of colloidal nanoparticles with transmission electron …

Ultraviolet photodissociation reveals the molecular mechanism of crown ether microsolvation effect on the gas-phase native-like protein structure

L Zhou, Z Liu, Y Guo, S Liu, H Zhao… - Journal of the …, 2022 - ACS Publications
Maintaining the protein high-order structures and interactions during the transition from
aqueous solution to gas phase is essential to the structural analysis of native mass …

Metastability of Protein Solution Structures in the Absence of a Solvent: Rugged Energy Landscape and Glass-like Behavior

TC Cropley, FC Liu, M Chai, MF Bush… - Journal of the …, 2024 - ACS Publications
Native ion mobility/mass spectrometry is well-poised to structurally screen proteomes but
characterizes protein structures in the absence of a solvent. This raises long-standing …

High-Performance Molecular Dynamics Simulations for Native Mass Spectrometry of Large Protein Complexes with the Fast Multipole Method

LJ Persson, C Sahin, M Landreh… - Analytical …, 2024 - ACS Publications
Native mass spectrometry (MS) is widely employed to study the structures and assemblies of
proteins ranging from small monomers to megadalton complexes. Molecular dynamics (MD) …

A “grappling hook” interaction connects self-assembly and chaperone activity of Nucleophosmin 1

M Saluri, A Leppert, GV Gese, C Sahin, D Lama… - PNAS …, 2023 - academic.oup.com
How the self-assembly of partially disordered proteins generates functional compartments in
the cytoplasm and particularly in the nucleus is poorly understood. Nucleophosmin 1 …

Using Density Functional Theory for Testing the Robustness of Mobile-Proton Molecular Dynamics Simulations on Electrosprayed Ions: Structural Implications for …

CC Moore, VN Staroverov… - The Journal of Physical …, 2023 - ACS Publications
Current experiments only provide low-resolution information on gaseous protein ions
generated by electrospray ionization (ESI). Molecular dynamics (MD) simulations can yield …

Molecular dynamics-assisted interpretation of experimentally determined intrinsically disordered protein conformational components: The case of human α-synuclein

O Palomino-Hernandez, C Santambrogio… - The Journal of …, 2022 - ACS Publications
Mass spectrometry and single molecule force microscopy are two experimental approaches
able to provide structural information on intrinsically disordered proteins (IDPs). These …

A suicidal and extensively disordered luciferase with a bright luminescence

FM Dijkema, MI Escarpizo‐Lorenzana… - Protein …, 2024 - Wiley Online Library
Gaussia luciferase (GLuc) is one of the most luminescent luciferases known and is widely
used as a reporter in biochemistry and cell biology. During catalysis, GLuc undergoes …