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Proteins, essential to biological systems, perform functions intricately linked to their three-dimensional structures. Understanding the relationship between protein structures and their amino acid sequences remains a core challenge in…

定量方法 · 定量生物学 2024-11-04 Liang He , Peiran Jin , Yaosen Min , Shufang Xie , Lijun Wu , Tao Qin , Xiaozhuan Liang , Kaiyuan Gao , Yuliang Jiang , Tie-Yan Liu

Deep learning-based approaches, such as AlphaFold2 (AF2), have significantly advanced protein tertiary structure prediction, achieving results comparable to real biological experimental methods. While AF2 has shown limitations in predicting…

生物大分子 · 定量生物学 2025-01-23 Zhongju Yuan , Tao Shen , Sheng Xu , Leiye Yu , Ruobing Ren , Siqi Sun

Predicting the functional impact of single amino acid substitutions (SAVs) is central to understanding genetic disease and engineering therapeutic proteins. While protein language models and structure-based methods have achieved strong…

机器学习 · 计算机科学 2026-04-15 Seungik Cho

The folding of a peptide chain into a three dimensional structure is a thermodynamically driven process such that the chain naturally evolves to form domains of similar amino acids. The formation of this domain occurs by curling the one…

统计力学 · 物理学 2018-02-01 Theja N. De Silva , Vattika Sivised

The prediction of protein stability changes following single-point mutations plays a pivotal role in computational biology, particularly in areas like drug discovery, enzyme reengineering, and genetic disease analysis. Although…

定量方法 · 定量生物学 2025-05-01 Ivan Rossi , Guido Barducci , Tiziana Sanavia , Paola Turina , Emidio Capriotti , Piero Fariselli

Global coevolutionary models of homologous protein families, as constructed by direct coupling analysis (DCA), have recently gained popularity in particular due to their capacity to accurately predict residue-residue contacts from sequence…

定量方法 · 定量生物学 2019-09-23 Matteo Figliuzzi , Pierre Barrat-Charlaix , Martin Weigt

In this study, we propose an analytic statistical mechanics approach to solve a fundamental problem in biological physics called protein design. Protein design is an inverse problem of protein structure prediction, and its solution is the…

统计力学 · 物理学 2022-10-26 Tomoei Takahashi , George Chikenji , Kei Tokita

Protein design is the inverse approach of the three-dimensional (3D) structure prediction for elucidating the relationship between the 3D structures and amino acid sequences. In general, the computation of the protein design involves a…

生物物理 · 物理学 2021-07-14 Tomoei Takahashi , George Chikenji , Kei Tokita

Proteins are commonly used by biochemical industry for numerous processes. Refining these proteins' properties via mutations causes stability effects as well. Accurate computational method to predict how mutations affect protein stability…

机器学习 · 统计学 2018-03-26 Emmi Jokinen , Markus Heinonen , Harri Lähdesmäki

We derive an analytic expression for site-specific stationary distributions of amino acids from the Structurally Constrained Neutral (SCN) model of protein evolution with conservation of folding stability. The stationary distributions that…

生物大分子 · 定量生物学 2007-05-23 Markus Porto , H. Eduardo Roman , Michele Vendruscolo , Ugo Bastolla

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

Proposing beneficial amino acid substitutions, whether for mutational effect prediction or protein engineering, remains a central challenge in structural biology. Recent inverse folding models, trained to reconstruct sequences from…

生物大分子 · 定量生物学 2025-12-12 Han Tang , Wouter Boomsma

Inferring the structural properties of a protein from its amino acid sequence is a challenging yet important problem in biology. Structures are not known for the vast majority of protein sequences, but structure is critical for…

机器学习 · 计算机科学 2019-10-17 Tristan Bepler , Bonnie Berger

Local and global inference methods have been developed to infer structural contacts from multiple sequence alignments of homologous proteins. They rely on correlations in amino-acid usage at contacting sites. Because homologous proteins…

生物大分子 · 定量生物学 2024-12-30 Nicola Dietler , Umberto Lupo , Anne-Florence Bitbol

Structure determination is key to understanding protein function at a molecular level. Whilst significant advances have been made in predicting structure and function from amino acid sequence, researchers must still rely on expensive,…

计算机视觉与模式识别 · 计算机科学 2020-09-01 Alexander Hudson , Shaogang Gong

The functions of proteins and RNAs are determined by a myriad of interactions between their constituent residues, but most quantitative models of how molecular phenotype depends on genotype must approximate this by simple additive effects.…

定量方法 · 定量生物学 2017-12-19 Adam J. Riesselman , John B. Ingraham , Debora S. Marks

Natural protein sequences contain a record of their history. A common constraint in a given protein family is the ability to fold to specific structures, and it has been shown possible to infer the main native ensemble by analyzing…

生物大分子 · 定量生物学 2017-03-16 Rocío Espada , R. Gonzalo Parra , Thierry Mora , Aleksandra M. Walczak , Diego U. Ferreiro

Understanding protein solubility is essential for their functional applications. Computational methods for predicting protein solubility are crucial for reducing experimental costs and enhancing the efficiency and success rates of protein…

定量方法 · 定量生物学 2024-07-01 Yang Tan , Jia Zheng , Liang Hong , Bingxin Zhou

Learning Ising or Potts models from data has become an important topic in statistical physics and computational biology, with applications to predictions of structural contacts in proteins and other areas of biological data analysis. The…

生物物理 · 物理学 2018-09-19 Chen-Yi Gao , Hai-Jun Zhou , Erik Aurell

Many methods have been developed to predict static protein structures, however understanding the dynamics of protein structure is essential for elucidating biological function. While molecular dynamics (MD) simulations remain the in silico…

生物大分子 · 定量生物学 2026-04-21 Mihir Bafna , Bowen Jing , Bonnie Berger