Molecular modeling investigations of sorption and diffusion of small molecules in Glassy polymers

N Vergadou, DN Theodorou - Membranes, 2019 - mdpi.com
With a wide range of applications, from energy and environmental engineering, such as in
gas separations and water purification, to biomedical engineering and packaging, glassy …

Perspective: Path Sampling Methods Applied to Enzymatic Catalysis

SD Schwartz - Journal of chemical theory and computation, 2022 - ACS Publications
This Perspective reviews the use of Transition Path Sampling methods to study
enzymatically catalyzed chemical reactions. First applied by our group to an enzymatic …

Structure and dynamics of the isozymes II and IX of human carbonic anhydrase

D Rai, S Khatua, S Taraphder - ACS omega, 2022 - ACS Publications
Human carbonic anhydrases (HCAs) are responsible for the pH control and sensing in our
body and constitute key components in the central pH paradigm connected to cancer …

Coupling protein dynamics with proton transport in human carbonic anhydrase II

S Taraphder, CM Maupin, JMJ Swanson… - The Journal of …, 2016 - ACS Publications
The role of protein dynamics in enzyme catalysis is one of the most highly debated topics in
enzymology. The main controversy centers around what may be defined as functionally …

Reaction coordinate, free energy, and rate of intramolecular proton transfer in human carbonic anhydrase II

S Paul, TK Paul, S Taraphder - The Journal of Physical Chemistry …, 2018 - ACS Publications
The role of structure and dynamics of an enzyme has been investigated at three different
stages of its function including the chemical event it catalyzes. A one-pot computational …

Conformational Change of H64 and Substrate Transportation: Insight Into a Full Picture of Enzymatic Hydration of CO2 by Carbonic Anhydrase

Y Fu, F Fan, Y Zhang, B Wang, Z Cao - Frontiers in Chemistry, 2021 - frontiersin.org
The enzymatic hydration of CO2 into HCO3− by carbonic anhydrase (CA) is highly efficient
and environment-friendly measure for CO2 sequestration. Here extensive MM MD and …

Coordination dynamics of zinc triggers the rate determining proton transfer in human carbonic anhydrase II

TK Paul, S Taraphder - ChemPhysChem, 2020 - Wiley Online Library
We present, for the first time, how transient changes in the coordination number of zinc ion
affects the rate determining step in the enzyme human carbonic anhydrase (HCA) II. The …

Phase space and collective variable based simulation methods for studies of rare events

S Paul, NN Nair, H Vashisth - Molecular Simulation, 2019 - Taylor & Francis
In this work, we review molecular simulation methods for studies of rare events. Specifically
highlighted are recent advances and biological applications of methods that utilise unbiased …

Nonlinear reaction coordinate of an enzyme catalyzed proton transfer reaction

TK Paul, S Taraphder - The Journal of Physical Chemistry B, 2022 - ACS Publications
We present an in-depth study on the theoretical calculation of an optimum reaction
coordinate as a linear or nonlinear combination of important collective variables (CVs) …

In Silico Studies of Small Molecule Interactions with Enzymes Reveal Aspects of Catalytic Function

R Verma, K Mitchell-Koch - Catalysts, 2017 - mdpi.com
Small molecules, such as solvent, substrate, and cofactor molecules, are key players in
enzyme catalysis. Computational methods are powerful tools for exploring the dynamics and …