Computational modeling of realistic cell membranes

SJ Marrink, V Corradi, PCT Souza, HI Ingolfsson… - Chemical …, 2019 - ACS Publications
Cell membranes contain a large variety of lipid types and are crowded with proteins,
endowing them with the plasticity needed to fulfill their key roles in cell functioning. The …

Multiscale simulations of biological membranes: the challenge to understand biological phenomena in a living substance

G Enkavi, M Javanainen, W Kulig, T Róg… - Chemical …, 2019 - ACS Publications
Biological membranes are tricky to investigate. They are complex in terms of molecular
composition and structure, functional over a wide range of time scales, and characterized by …

Lipid21: complex lipid membrane simulations with AMBER

CJ Dickson, RC Walker, IR Gould - Journal of chemical theory and …, 2022 - ACS Publications
We extend the modular AMBER lipid force field to include anionic lipids, polyunsaturated
fatty acid (PUFA) lipids, and sphingomyelin, allowing the simulation of realistic cell …

Overlay databank unlocks data-driven analyses of biomolecules for all

AM Kiirikki, HS Antila, LS Bort, P Buslaev… - Nature …, 2024 - nature.com
Tools based on artificial intelligence (AI) are currently revolutionising many fields, yet their
applications are often limited by the lack of suitable training data in programmatically …

[HTML][HTML] Permeability across lipid membranes

W Shinoda - Biochimica et Biophysica Acta (BBA)-Biomembranes, 2016 - Elsevier
Molecular permeation through lipid membranes is a fundamental biological process that is
important for small neutral molecules and drug molecules. Precise characterization of free …

Mechanistic understanding from molecular dynamics simulation in pharmaceutical research 1: drug delivery

A Bunker, T Róg - Frontiers in Molecular Biosciences, 2020 - frontiersin.org
In this review, we outline the growing role that molecular dynamics simulation is able to play
as a design tool in drug delivery. We cover both the pharmaceutical and computational …

Quantitative comparison against experiments reveals imperfections in force fields' descriptions of popc–cholesterol interactions

M Javanainen, P Heftberger, JJ Madsen… - Journal of Chemical …, 2023 - ACS Publications
Cholesterol is a central building block in biomembranes, where it induces orientational
order, slows diffusion, renders the membrane stiffer, and drives domain formation. Molecular …

Effective inclusion of electronic polarization improves the description of electrostatic interactions: The prosECCo75 biomolecular force field

R Nencini, C Tempra, D Biriukov… - Journal of Chemical …, 2024 - ACS Publications
prosECCo75 is an optimized force field effectively incorporating electronic polarization via
charge scaling. It aims to enhance the accuracy of nominally nonpolarizable molecular …

Computational 'microscopy'of cellular membranes

HI Ingólfsson, C Arnarez, X Periole… - Journal of cell …, 2016 - journals.biologists.com
Computational 'microscopy'refers to the use of computational resources to simulate the
dynamics of a molecular system. Tuned to cell membranes, this computational …

Accelerating membrane simulations with hydrogen mass repartitioning

C Balusek, H Hwang, CH Lau… - Journal of chemical …, 2019 - ACS Publications
The time step of atomistic molecular dynamics (MD) simulations is determined by the fastest
motions in the system and is typically limited to 2 fs. An increasingly popular approach is to …