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相关论文: Testing a new Monte Carlo Algorithm for Protein Fo…

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Recent advancements in machine learning techniques for protein folding motivate better results in its inverse problem -- protein design. In this work we introduce a new graph mimetic neural network, MimNet, and show that it is possible to…

生物大分子 · 定量生物学 2021-02-09 Moshe Eliasof , Tue Boesen , Eldad Haber , Chen Keasar , Eran Treister

We analyze the conformational properties of polymer macromolecules in solutions in presence of extended structural obstacles of (fractal) dimension $\varepsilon_d$ causing the anisotropy of environment. Applying the pruned-enriched…

软凝聚态物质 · 物理学 2014-07-14 K. Haydukivska , V. Blavatska

Computer simulation with Monte Carlo is an important tool to investigate the function and equilibrium properties of many systems with biological and soft matter materials solvable in solvents. The appropriate treatment of long-range…

计算物理 · 物理学 2015-06-15 Zecheng Gan , Zhenli Xu

Repeat proteins are made with tandem copies of similar amino acid stretches that fold into elongated architectures. Due to their symmetry, these proteins constitute excellent model systems to investigate how evolution relates to structure,…

生物大分子 · 定量生物学 2022-10-12 Ezequiel A. Galpern , Jacopo Marchi , Thierry Mora , Aleksandra M. Walczak , Diego U. Ferreiro

In the bond percolation model on a lattice, we colour vertices with $n_c$ colours independently at random according to Bernoulli distributions. A vertex can receive multiple colours and each of these colours is individually observable. The…

统计理论 · 数学 2019-06-14 Felix Beck , Bence Mélykúti

Solvent-free coarse grained models represent one of the most promising approaches for molecular simulations of mesoscopically large membranes. In these models, the size of the simulated membrane is limited by the slow relaxation time of…

软凝聚态物质 · 物理学 2009-11-13 Oded Farago

A method that reconstructs protein residue networks using suitable node selection and edge recovery policies produced numerical observations that correlate strongly (Pearson's correlation coefficient < -0.83) with published folding rates…

生物大分子 · 定量生物学 2026-04-07 Susan Khor

We propose a new method for molecular dynamics and Monte Carlo simulations, which is referred to as the replica-permutation method (RPM), to realize more efficient sampling than the replica-exchange method (REM).In RPM not only exchanges…

统计力学 · 物理学 2012-10-25 Satoru G. Itoh , Hisashi Okumura

We present a method to generate realistic, three-dimensional networks of crosslinked semiflexible polymers. The free energy of these networks is obtained from the force-extension characteristics of the individual polymers and their…

软凝聚态物质 · 物理学 2009-11-13 E. M. Huisman , C. Storm , G. T. Barkema

Inverse protein folding, the process of designing sequences that fold into a specific 3D structure, is crucial in bio-engineering and drug discovery. Traditional methods rely on experimentally resolved structures, but these cover only a…

生物大分子 · 定量生物学 2023-11-27 Igor Melnyk , Aurelie Lozano , Payel Das , Vijil Chenthamarakshan

We propose a novel stochastic algorithm that randomly samples entire rows and columns of the matrix as a way to approximate an arbitrary matrix function using the power series expansion. This contrasts with existing Monte Carlo methods,…

数据结构与算法 · 计算机科学 2024-09-23 Nicolas L. Guidotti , Juan A. Acebrón , José Monteiro

Proteins typically exist in complexes, interacting with other proteins or biomolecules to perform their specific biological roles. Research on single-chain protein modeling has been extensively and deeply explored, with advancements seen in…

机器学习 · 计算机科学 2025-09-09 Ruizhe Chen , Dongyu Xue , Xiangxin Zhou , Zaixiang Zheng , Xiangxiang Zeng , Quanquan Gu

Deep generative models have emerged as a popular machine learning-based approach for inverse design problems in the life sciences. However, these problems often require sampling new designs that satisfy multiple properties of interest in…

We study folding in 16-monomer heteropolymers on the square lattice. For a given sequence, thermodynamic properties and stability of the native state are unique. However, the kinetics of folding depends on the model of dynamics adopted for…

统计力学 · 物理学 2009-10-31 Trinh Xuan Hoang , Marek Cieplak

We present a new, biased Monte Carlo scheme for simulating complex, cyclic peptides. Backbone atoms are equilibrated with a biased rebridging scheme, and side-chain atoms are equilibrated with a look-ahead configurational bias Monte Carlo.…

生物物理 · 物理学 2009-10-31 Minghong G. Wu , Michael W. Deem

We adapted existing polymer growth strategies for equilibrium sampling of peptides described by modern atomistic forcefields with implicit solvent. The main novel feature of our approach is the use of pre-calculated statistical libraries of…

生物物理 · 物理学 2010-03-04 A. B. Mamonov , X. Zhang , D. M. Zuckerman

The COMOFLO dynamic Monte Carlo algorithm is extended to enable the simulation of steady-state extensional rheology of dense melts for the first time ever. This significant advancement provides the ability to accurately capture the…

软凝聚态物质 · 物理学 2015-11-03 Nicholas A. Rorrer , John R. Dorgan

We report a novel Monte Carlo scheme that greatly enhances the power of parallel-tempering simulations. In this method, we boost the accumulation of statistical averages by including information about all potential parallel tempering trial…

统计力学 · 物理学 2007-05-23 Ivan Coluzza Daan Frenkel

Proteins are the basic building blocks of life. They usually perform functions by folding to a particular structure. Understanding the folding process could help the researchers to understand the functions of proteins and could also help to…

计算工程、金融与科学 · 计算机科学 2015-10-21 Jianzhu Ma

Applying multicanonical simulations we investigated folding properties of off-lattice heteropolymers employing a mesoscopic hydrophobic-polar model. We study for various sequences folding channels in the free-energy landscape by comparing…

软凝聚态物质 · 物理学 2009-02-17 Stefan Schnabel , Michael Bachmann , Wolfhard Janke