Hybrid quantum mechanical/molecular mechanical methods for studying energy transduction in biomolecular machines

T Kubař, M Elstner, Q Cui - Annual review of biophysics, 2023 - annualreviews.org
Hybrid quantum mechanical/molecular mechanical (QM/MM) methods have become
indispensable tools for the study of biomolecules. In this article, we briefly review the basic …

Cations in motion: QM/MM studies of the dynamic and electrostatic roles of H+ and Mg2+ ions in enzyme reactions

D Berta, PJ Buigues, M Badaoui, E Rosta - Current Opinion in Structural …, 2020 - Elsevier
Highlights•Computational tools are essential in discovering mechanistic details of enzyme
reactions at sub-atomic resolution, providing information on proton and ion movements and …

Factors that determine the variation of equilibrium and kinetic properties of QM/MM enzyme simulations: QM region, conformation, and boundary condition

D Demapan, J Kussmann… - Journal of chemical …, 2022 - ACS Publications
To analyze the impact of various technical details on the results of quantum mechanical
(QM)/molecular mechanical (MM) enzyme simulations, including the QM region size …

Arginine kinase activates arginine for phosphorylation by pyramidalization and polarization

F Falcioni, RW Molt Jr, Y **, JP Waltho, S Hay… - ACS …, 2024 - ACS Publications
Arginine phosphorylation plays numerous roles throughout biology. Arginine kinase (AK)
catalyzes the delivery of an anionic phosphoryl group (PO3–) from ATP to a planar, trigonal …

Structural Predictive Model of Presenilin‐2 Protein and Analysis of Structural Effects of Familial Alzheimer's Disease Mutations

A Soto-Ospina, P Araque Marín… - Biochemistry …, 2021 - Wiley Online Library
Alzheimer's disease manifests itself in brain tissue by neuronal death, due to aggregation of
β‐amyloid, produced by senile plaques, and hyperphosphorylation of the tau protein, which …

Structural and functional insights into the bona fide catalytic state of Streptococcus pyogenes Cas9 HNH nuclease domain

Z Zuo, A Zolekar, K Babu, VJT Lin, HS Hayatshahi… - Elife, 2019 - elifesciences.org
The CRISPR-associated endonuclease Cas9 from Streptococcus pyogenes (SpyCas9),
along with a programmable single-guide RNA (sgRNA), has been exploited as a significant …

Extensive free-energy simulations identify water as the base in nucleotide addition by DNA polymerase

D Roston, D Demapan, Q Cui - Proceedings of the National Academy of …, 2019 - pnas.org
Transphosphorylation of nucleotide triphosphates is the central reaction in DNA replication
by DNA polymerase as well as many other biological processes. Despite its importance, the …

Protein predictive modeling and simulation of mutations of presenilin-1 familial Alzheimer's disease on the orthosteric site

A Soto-Ospina, P Araque Marín, G Bedoya… - Frontiers in molecular …, 2021 - frontiersin.org
Alzheimer's disease pathology is characterized by β-amyloid plaques and neurofibrillary
tangles. Amyloid precursor protein is processed by β and γ secretase, resulting in the …

Wide transition-state ensemble as key component for enzyme catalysis

GE Jara, F Pontiggia, R Otten, RV Agafonov, MA Martí… - eLife, 2025 - elifesciences.org
Transition-state (TS) theory has provided the theoretical framework to explain the enormous
rate accelerations of chemical reactions by enzymes. Given that proteins display large …

Decoding Drug Discovery: Exploring A-to-Z In Silico Methods for Beginners

HO Rasul, DD Ghafour, BK Aziz, BA Hassan… - Applied Biochemistry …, 2024 - Springer
The drug development process is a critical challenge in the pharmaceutical industry due to
its time-consuming nature and the need to discover new drug potentials to address various …