Search Results for author: Giovanni Bussi

Found 12 papers, 5 papers with code

Molecular simulations to investigate the impact of N6-methylation in RNA recognition: Improving accuracy and precision of binding free energy prediction

no code implementations23 Apr 2024 Valerio Piomponi, Miroslav Krepl, Jiri Sponer, Giovanni Bussi

Importantly, our research identifies hydration of the binding pocket as giving only a minor contribution to the binding free energy and emphasizes the critical importance of precisely tuning force-field parameters to experimental data.

Molecular dynamics simulations of chemically modified ribonucleotides

no code implementations24 Nov 2022 Valerio Piomponi, Mattia Bernetti, Giovanni Bussi

In the context of RNA chemical modifications, alchemical simulations where a wild type nucleotide is converted to a modified one are particularly common.

Combining simulations and experiments to investigate RNA dynamics

no code implementations18 Jul 2022 Mattia Bernetti, Giovanni Bussi

Conformational dynamics is crucial for ribonucleic acid (RNA) function.

Molecular simulations matching denaturation experiments for N6-Methyladenosine

1 code implementation28 Mar 2022 Valerio Piomponi, Thorben Fröhlking, Mattia Bernetti, Giovanni Bussi

Post-transcriptional modifications are crucial for RNA function and can affect its structure and dynamics.

Pressure control using stochastic cell rescaling

1 code implementation16 Jun 2020 Mattia Bernetti, Giovanni Bussi

Molecular dynamics simulations require barostats to be performed at constant pressure.

Computational Physics Statistical Mechanics Chemical Physics

Machine learning a model for RNA structure prediction

no code implementations1 Apr 2020 Nicola Calonaci, Alisha Jones, Francesca Cuturello, Michael Sattler, Giovanni Bussi

Here, we build a set of models that combine thermodynamic parameters, chemical probing data (DMS, SHAPE), and co-evolutionary data (Direct Coupling Analysis, DCA) through a network that outputs perturbations to the ensemble free energy.

BIG-bench Machine Learning

The mechanism of RNA base fraying: molecular dynamics simulations analyzed with core-set Markov state models

1 code implementation29 Nov 2018 Giovanni Pinamonti, Fabian Paul, Frank Noé, Alex Rodriguez, Giovanni Bussi

We here use molecular dynamics simulations and Markov state models to characterize the kinetics of RNA fraying and its sequence and direction dependence.

Computational Physics Statistical Mechanics Biological Physics Chemical Physics Biomolecules

A nucleobase-centered coarse-grained representation for structure prediction of RNA motifs

no code implementations2 Nov 2017 Simón Poblete, Sandro Bottaro, Giovanni Bussi

This results in a representation able to describe planar canonical and non-canonical base pairs and base-phosphate interactions and to distinguish sugar puckers and glycosidic torsion conformations.

Effects and limitations of a nucleobase-driven backmapping procedure for nucleic acids using steered Molecular Dynamics

1 code implementation25 Sep 2017 Simón Poblete, Sandro Bottaro, Giovanni Bussi

Coarse-grained models can be of great help to address the problem of structure prediction in nucleic acids.

Biological Physics Computational Physics Biomolecules

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