Constant ph molecular dynamics simulations: Current status and recent applications

VM de Oliveira, R Liu, J Shen - Current opinion in structural biology, 2022 - Elsevier
Many important protein functions are carried out through proton-coupled conformational
dynamics. Thus, the ability to accurately model protonation states dynamically has wide …

Functions of viroporins in the viral life cycle and their regulation of host cell responses

X Xia, A Cheng, M Wang, X Ou, D Sun, S Mao… - Frontiers in …, 2022 - frontiersin.org
Viroporins are virally encoded transmembrane proteins that are essential for viral
pathogenicity and can participate in various stages of the viral life cycle, thereby promoting …

How to Sample Dozens of Substitutions per Site with λ Dynamics

RL Hayes, LF Cervantes, JC Abad Santos… - Journal of chemical …, 2024 - ACS Publications
Alchemical free energy methods are useful in computer-aided drug design and
computational protein design because they provide rigorous statistical mechanics-based …

Activation of the influenza B M2 proton channel (BM2)

Z Yue, J Wu, D Teng, Z Wang, GA Voth - Biochemistry, 2024 - ACS Publications
Influenza B viruses have cocirculated during most seasonal flu epidemics and can cause
significant human morbidity and mortality due to their rapid mutation, emerging drug …

Molecular insights into the initiation step of the Rcs signaling pathway

N Watanabe, A Savchenko - Structure, 2024 - cell.com
The Rcs pathway is repressed by the inner membrane protein IgaA under non-stressed
conditions. This repression is hypothesized to be relieved by the binding of the outer …

[HTML][HTML] Real-time tracking of drug binding to influenza A M2 reveals a high energy barrier

KT Movellan, M Wegstroth, K Overkamp… - Journal of Structural …, 2023 - Elsevier
The drug Rimantadine binds to two different sites in the M2 protein from influenza A, a
peripheral site and a pore site that is the primary site of efficacy. It remained enigmatic that …

Resolving coupled pH titrations using alchemical free energy calculations

CJ Wilson, BL de Groot… - Journal of Computational …, 2024 - Wiley Online Library
In a protein, nearby titratable sites can be coupled: the (de) protonation of one may affect the
other. The degree of this interaction depends on several factors and can influence the …

Emulating Membrane Protein Environments─ How Much Lipid Is Required for a Native Structure: Influenza S31N M2

AK Wright, J Paulino, TA Cross - Journal of the American …, 2022 - ACS Publications
This report investigates the homotetrameric membrane protein structure of the S31N M2
protein from Influenza A virus in the presence of a high molar ratio of lipid. The structured …

Development and application of reverse genetic technology for the influenza virus

Z Li, L Zhong, J He, Y Huang, Y Zhao - Virus Genes, 2021 - Springer
Influenza virus is a common virus in people's daily lives, and it has certain infectivity in
humans and animals. Influenza viruses have the characteristics of a high mutation rate and …

Enhanced Sampling of Buried Charges in Free Energy Calculations Using Replica Exchange with Charge Tempering

X Liu, CL Brooks III - Journal of Chemical Theory and …, 2024 - ACS Publications
Buried ionizable groups in proteins often play important structural and functional roles.
However, it is generally challenging to study the detailed molecular mechanisms solely …