The relevance of short peptides for an understanding of unfolded and intrinsically disordered proteins

R Schweitzer-Stenner - Physical Chemistry Chemical Physics, 2023 - pubs.rsc.org
Over the last thirty years the unfolded state of proteins has attracted considerable interest
owing to the discovery of intrinsically disordered proteins which perform a plethora of …

Realistic ensemble models of intrinsically disordered proteins using a structure-encoding coil database

A Estaña, N Sibille, E Delaforge, M Vaisset, J Cortés… - Structure, 2019 - cell.com
Intrinsically disordered proteins (IDPs) play fundamental roles in signaling, regulation, and
cell homeostasis by specifically interacting with their partners. The structural characterization …

Repeating Aspartic Acid Residues Prefer Turn-like Conformations in the Unfolded State: Implications for Early Protein Folding

B Milorey, H Schwalbe, N O'Neill… - The Journal of …, 2021 - ACS Publications
Protein folding can be described as a motion of the polypeptide chain in a potential energy
funnel, where the conformational manifold is narrowed as the chain traverses from a …

Do molecular dynamics force fields accurately model Ramachandran distributions of amino acid residues in water?

B Andrews, J Guerra, R Schweitzer-Stenner… - Physical Chemistry …, 2022 - pubs.rsc.org
Molecular dynamics (MD) is a powerful tool for studying intrinsically disordered proteins,
however, its reliability depends on the accuracy of the force field. We assess Amber ff19SB …

Short peptides as predictors for the structure of polyarginine sequences in disordered proteins

B Milorey, R Schweitzer-Stenner, B Andrews… - Biophysical journal, 2021 - cell.com
Intrinsically disordered proteins and intrinsically disordered regions are frequently enriched
in charged amino acids. Intrinsically disordered regions are regularly involved in important …

Unravelling the effect of N (ε)-(carboxyethyl) lysine on the conformation, dynamics and aggregation propensity of α-synuclein

L Marino, R Ramis, R Casasnovas, J Ortega-Castro… - Chemical …, 2020 - pubs.rsc.org
α-Synuclein (αS) aggregation is a hallmark in several neurodegenerative diseases. Among
them, Parkinson's disease is highlighted, characterized by the intraneuronal deposition of …

Prediction of nearest neighbor effects on backbone torsion angles and NMR scalar coupling constants in disordered proteins

Y Shen, J Roche, A Grishaev, A Bax - Protein Science, 2018 - Wiley Online Library
Using fine‐tuned hydrogen bonding criteria, a library of coiled peptide fragments has been
generated from a large set of high‐resolution protein X‐ray structures. This library is shown …

Dihedral angle preferences of amino acid residues forming various non-local interactions in proteins

KM Saravanan, S Selvaraj - Journal of biological physics, 2017 - Springer
In theory, a polypeptide chain can adopt a vast number of conformations, each
corresponding to a set of backbone rotation angles. Many of these conformations are …

Anticooperative nearest-neighbor interactions between residues in unfolded peptides and proteins

R Schweitzer-Stenner, SE Toal - Biophysical journal, 2018 - cell.com
Growing evidence suggests that the conformational distributions of amino acid residues in
unfolded peptides and proteins depend on the nature of the nearest neighbors. To explore …

Mutations in tau protein promote aggregation by favoring extended conformations

K Pounot, C Piersson, AK Goring, F Rosu, V Gabelica… - JACS Au, 2023 - ACS Publications
Amyloid aggregation of the intrinsically disordered protein (IDP) tau is involved in several
diseases, called tauopathies. Some tauopathies can be inherited due to mutations in the …