Interaction analysis by fragment molecular orbital method for drug discovery research

N Kawashita - Chemical and Pharmaceutical Bulletin, 2024 - jstage.jst.go.jp
The use of computational methods in drug discovery research has increased substantially in
recent years. Computational chemistry techniques, such as quantum chemical calculations …

Molecular recognition of SARS-CoV-2 spike glycoprotein: quantum chemical hot spot and epitope analyses

C Watanabe, Y Okiyama, S Tanaka, K Fukuzawa… - Chemical …, 2021 - pubs.rsc.org
Due to the COVID-19 pandemic, researchers have attempted to identify complex structures
of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike glycoprotein (S …

Protein–ligand binding affinity prediction of cyclin‐dependent kinase‐2 inhibitors by dynamically averaged fragment molecular orbital‐based interaction energy

K Takaba, C Watanabe, A Tokuhisa… - Journal of …, 2022 - Wiley Online Library
Fragment molecular orbital (FMO) method is a powerful computational tool for structure‐
based drug design, in which protein–ligand interactions can be described by the inter …

Prediction of Binding Pose and Affinity of Nelfinavir, a SARS-CoV-2 Main Protease Repositioned Drug, by Combining Docking, Molecular Dynamics, and Fragment …

Y Handa, K Okuwaki, Y Kawashima… - The Journal of …, 2024 - ACS Publications
A novel in silico drug design procedure is described targeting the Main protease (Mpro) of
the SARS-CoV-2 virus. The procedure combines molecular docking, molecular dynamics …

Interaction analysis on the SARS-CoV-2 Spike protein receptor binding domain using visualization of the interfacial electrostatic complementarity

T Ishikawa, H Ozono, K Akisawa… - The Journal of …, 2021 - ACS Publications
Visualization of the interfacial electrostatic complementarity (VIINEC) is a recently developed
method for analyzing protein–protein interactions using electrostatic potential (ESP) …

Geometry Optimization Using the Frozen Domain and Partial Dimer Approaches in the Fragment Molecular Orbital Method: Implementation, Benchmark, and …

K Okuwaki, N Watanabe, K Kato… - Journal of Chemical …, 2024 - ACS Publications
The frozen domain (FD) approximation with the fragment molecular orbital (FMO) method is
efficient for partial geometry optimization of large systems. We implemented the FD …

Special features of COVID-19 in the FMODB: Fragment molecular orbital calculations and interaction energy analysis of SARS-CoV-2-related proteins

K Fukuzawa, K Kato, C Watanabe… - Journal of Chemical …, 2021 - ACS Publications
SARS-CoV-2 is the causative agent of coronavirus (known as COVID-19), the virus causing
the current pandemic. There are ongoing research studies to develop effective therapeutics …

Dynamic cooperativity of ligand–residue interactions evaluated with the fragment molecular orbital method

S Tanaka, S Tokutomi, R Hatada… - The Journal of …, 2021 - ACS Publications
By the splendid advance in computation power realized with the Fugaku supercomputer, it
has become possible to perform ab initio fragment molecular orbital (FMO) calculations for …

Collaborative approach between explainable artificial intelligence and simplified chemical interactions to explore active ligands for cyclin-dependent kinase 2

T Shimazaki, M Tachikawa - ACS omega, 2022 - ACS Publications
To improve virtual screening for drug discovery, we present a collaborative approach
between explainable artificial intelligence (AI) and simplified chemical interaction scores to …

Fragment molecular orbital based interaction analyses on complexes between SARS-CoV-2 RBD variants and ACE2

K Akisawa, R Hatada, K Okuwaki… - Japanese Journal of …, 2021 - iopscience.iop.org
The SARS-CoV-2 virus initiates infection of human cells by recognizing the human
angiotensin-converting enzyme 2 (ACE2) with the receptor binding domain (RBD) of the …