Functional roles of slow enzyme conformational changes in network dynamics
Extensive studies from different fields reveal that many macromolecules, especially
enzymes, show slow transitions among different conformations. This phenomenon is named …
enzymes, show slow transitions among different conformations. This phenomenon is named …
Overshoot in biological systems modelled by Markov chains: a non‐equilibrium dynamic phenomenon
C Jia, M Qian, D Jiang - IET systems biology, 2014 - Wiley Online Library
A number of biological systems can be modelled by Markov chains. Recently, there has
been an increasing concern about when biological systems modelled by Markov chains will …
been an increasing concern about when biological systems modelled by Markov chains will …
Governing principles of transcriptional logic out of equilibrium
S Dixit, TC Middelkoop, S Choubey - Biophysical Journal, 2024 - cell.com
To survive, adapt, and develop, cells respond to external and internal stimuli by tightly
regulating transcription. Transcriptional regulation involves the combinatorial binding of a …
regulating transcription. Transcriptional regulation involves the combinatorial binding of a …
Steady-state joint distribution for first-order stochastic reaction kinetics
While the analytical solution for the marginal distribution of a stochastic chemical reaction
network has been extensively studied, its joint distribution, ie, the solution of a high …
network has been extensively studied, its joint distribution, ie, the solution of a high …
Molecular and cellular factors control signal transduction via switchable allosteric modulator proteins (SAMPs)
H Babel, IB Bischofs - BMC Systems Biology, 2016 - Springer
Abstract Background Rap proteins from Bacilli directly target response regulators of bacterial
two-component systems and modulate their activity. Their effects are controlled by binding of …
two-component systems and modulate their activity. Their effects are controlled by binding of …
The nonequilibrium mechanism of noise-enhanced drug synergy in HIV latency reactivation
Noise-modulating chemicals can synergize with transcriptional activators in reactivating
latent HIV to eliminate latent HIV reservoirs. To understand the underlying biomolecular …
latent HIV to eliminate latent HIV reservoirs. To understand the underlying biomolecular …
A second perspective on the Amann–Schmiedl–Seifert criterion for non-equilibrium in a three-state system
In the work of Amann, Schmiedl and Seifert (2010 J. Chem. Phys. 132 041102), the authors
derived a sufficient criterion to identify a non-equilibrium steady state (NESS) in a three-state …
derived a sufficient criterion to identify a non-equilibrium steady state (NESS) in a three-state …
An allosteric model of the inositol trisphosphate receptor with nonequilibrium binding
C Jia, D Jiang, M Qian - Physical Biology, 2014 - iopscience.iop.org
The inositol trisphosphate receptor (IPR) is a crucial ion channel that regulates the Ca 2+
influx from the endoplasmic reticulum (ER) to the cytoplasm. A thorough study of the IPR …
influx from the endoplasmic reticulum (ER) to the cytoplasm. A thorough study of the IPR …
Cyclic conformational modification of an enzyme: serial engagement, energy relay, hysteretic enzyme, and Fischer's hypothesis
H Qian - The Journal of Physical Chemistry B, 2010 - ACS Publications
Reversible chemical modification of enzymes is one of the most important mechanisms in
cellular signaling. We generalize this concept to include cyclic modification of enzyme …
cellular signaling. We generalize this concept to include cyclic modification of enzyme …
Model for FRET sensors of allosteric switchable modulator proteins for the determination of allosteric parameters
H Babel - bioRxiv, 2022 - biorxiv.org
FRET-sensors are a well-established method to investigate protein-protein interactions. To
determine how FRET-sensor can be employed for the study of switchable allosteric …
determine how FRET-sensor can be employed for the study of switchable allosteric …