Principal component analysis and related methods for investigating the dynamics of biological macromolecules

A Kitao - J, 2022 - mdpi.com
Principal component analysis (PCA) is used to reduce the dimensionalities of high-
dimensional datasets in a variety of research areas. For example, biological …

Identification of slow molecular order parameters for Markov model construction

G Pérez-Hernández, F Paul, T Giorgino… - The Journal of …, 2013 - pubs.aip.org
A goal in the kinetic characterization of a macromolecular system is the description of its
slow relaxation processes via (i) identification of the structural changes involved in these …

Universal relation between instantaneous diffusivity and radius of gyration of proteins in aqueous solution

E Yamamoto, T Akimoto, A Mitsutake, R Metzler - Physical review letters, 2021 - APS
Protein conformational fluctuations are highly complex and exhibit long-term correlations.
Here, molecular dynamics simulations of small proteins demonstrate that these …

Analysis of protein folding simulation with moving root mean square deviation

Y Maruyama, R Igarashi, Y Ushiku… - Journal of Chemical …, 2023 - ACS Publications
We apply moving root-mean-square deviation (mRMSD), which does not require a reference
structure, as a method for analyzing protein dynamics. This method can be used to calculate …

Discovering reaction pathways, slow variables, and committor probabilities with machine learning

H Chen, B Roux, C Chipot - Journal of Chemical Theory and …, 2023 - ACS Publications
A significant challenge faced by atomistic simulations is the difficulty, and often impossibility,
to sample the transitions between metastable states of the free-energy landscape …

t-Distributed stochastic neighbor embedding method with the least information loss for macromolecular simulations

H Zhou, F Wang, P Tao - Journal of chemical theory and …, 2018 - ACS Publications
Dimensionality reduction methods are usually applied on molecular dynamics simulations of
macromolecules for analysis and visualization purposes. It is normally desired that suitable …

Differences in ligand-induced protein dynamics extracted from an unsupervised deep learning approach correlate with protein–ligand binding affinities

I Yasuda, K Endo, E Yamamoto, Y Hirano… - Communications …, 2022 - nature.com
Prediction of protein–ligand binding affinity is a major goal in drug discovery. Generally, free
energy gap is calculated between two states (eg, ligand binding and unbinding). The energy …

Relaxation mode analysis for molecular dynamics simulations of proteins

A Mitsutake, H Takano - Biophysical Reviews, 2018 - Springer
Molecular dynamics simulation is a powerful method for investigating the structural stability,
dynamics, and function of biopolymers at the atomic level. In recent years, it has become …

Slow dynamics of a protein backbone in molecular dynamics simulation revealed by time-structure based independent component analysis

Y Naritomi, S Fuchigami - The Journal of Chemical Physics, 2013 - pubs.aip.org
We recently proposed the method of time-structure based independent component analysis
(tICA) to examine the slow dynamics involved in conformational fluctuations of a protein as …

Conformational fluctuations in GTP-bound K-Ras: A metadynamics perspective with harmonic linear discriminant analysis

X Wang - Journal of Chemical Information and Modeling, 2021 - ACS Publications
Biomacromolecules often undergo significant conformational rearrangements during
function. In proteins, these motions typically consist in nontrivial, concerted rearrangement of …