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Learning effective protein representations is critical in a variety of tasks in biology such as predicting protein function or structure. Existing approaches usually pretrain protein language models on a large number of unlabeled amino acid…

机器学习 · 计算机科学 2023-01-31 Zuobai Zhang , Minghao Xu , Arian Jamasb , Vijil Chenthamarakshan , Aurelie Lozano , Payel Das , Jian Tang

Protein representation learning plays a crucial role in understanding the structure and function of proteins, which are essential biomolecules involved in various biological processes. In recent years, deep learning has emerged as a…

生物大分子 · 定量生物学 2024-03-11 Bozhen Hu , Cheng Tan , Lirong Wu , Jiangbin Zheng , Jun Xia , Zhangyang Gao , Zicheng Liu , Fandi Wu , Guijun Zhang , Stan Z. Li

We present TerraBind, a foundation model for protein-ligand structure and binding affinity prediction that achieves 26-fold faster inference than state-of-the-art methods while improving affinity prediction accuracy by $\sim$20\%. Current…

Protein structure determination has long been one of the primary challenges of structural biology, to which deep machine learning (ML)-based approaches have increasingly been applied. However, these ML models generally do not incorporate…

生物物理 · 物理学 2025-11-14 Tom Pan , Evan Dramko , Mitchell D. Miller , Anastasios Kyrillidis , George N. Phillips

Proteins are macromolecules that perform essential functions in all living organisms. Designing novel proteins with specific structures and desired functions has been a long-standing challenge in the field of bioengineering. Existing…

生物大分子 · 定量生物学 2023-03-03 Chence Shi , Chuanrui Wang , Jiarui Lu , Bozitao Zhong , Jian Tang

This paper investigates the application of the transformer architecture in protein folding, as exemplified by DeepMind's AlphaFold project, and its implications for the understanding of so-called large language models. The prevailing…

计算机与社会 · 计算机科学 2024-12-10 Fabian Offert , Paul Kim , Qiaoyu Cai

One algorithm to predict protein structure is the residual dipolar coupling based residue assembly and filter tool (REDCRAFT). This algorithm exploits an exponential reduction of the search space of all possible structures to find a…

生物大分子 · 定量生物学 2019-11-07 E. Timko , P. Shealy , M. Bryson , H. Valafar

Recently developed deep learning techniques have significantly improved the accuracy of various speech and image recognition systems. In this paper we adapt some of these techniques for protein secondary structure prediction. We first train…

机器学习 · 计算机科学 2016-11-07 Akosua Busia , Jasmine Collins , Navdeep Jaitly

While many good textbooks are available on Protein Structure, Molecular Simulations, Thermodynamics and Bioinformatics methods in general, there is no good introductory level book for the field of Structural Bioinformatics. This book aims…

A novel approach for structure alignment is presented, where the key ingredients are: (1) An error function formulation of the problem simultaneously in terms of binary (Potts) assignment variables and real-valued atomic coordinates. (2)…

生物物理 · 物理学 2007-05-23 M. Ohlsson , C. Peterson , M. Ringner , R. Blankenbecler

Multiple Sequence Alignment (MSA) plays a pivotal role in unveiling the evolutionary trajectories of protein families. The accuracy of protein structure predictions is often compromised for protein sequences that lack sufficient homologous…

生物大分子 · 定量生物学 2024-10-29 Bo Chen , Zhilei Bei , Xingyi Cheng , Pan Li , Jie Tang , Le Song

Motivation: Protein secondary structure prediction can provide important information for protein 3D structure prediction and protein functions. Deep learning, which has been successfully applied to various research fields such as image…

定量方法 · 定量生物学 2017-09-20 Chao Fang , Yi Shang , Dong Xu

Novel numerical techniques, validated by an analysis of barnase and chymotrypsin inhibitor, are used to elucidate the paramount role played by the geometry of the protein backbone in steering the folding to the correct native state. It is…

统计力学 · 物理学 2009-10-31 Cristian Micheletti , Jayanth R. Banavar , Amos Maritan , Flavio Seno

Proteins are fundamental biological entities that play a key role in life activities. The amino acid sequences of proteins can be folded into stable 3D structures in the real physicochemical world, forming a special kind of…

机器学习 · 计算机科学 2023-01-04 Lirong Wu , Yufei Huang , Haitao Lin , Stan Z. Li

Background: The increasing volume and variety of genotypic and phenotypic data is a major defining characteristic of modern biomedical sciences. At the same time, the limitations in technology for generating data and the inherently…

定量方法 · 定量生物学 2016-12-07 Yuxiang Jiang , Tal Ronnen Oron , Wyatt T Clark , Asma R Bankapur , Daniel D'Andrea , Rosalba Lepore , Christopher S Funk , Indika Kahanda , Karin M Verspoor , Asa Ben-Hur , Emily Koo , Duncan Penfold-Brown , Dennis Shasha , Noah Youngs , Richard Bonneau , Alexandra Lin , Sayed ME Sahraeian , Pier Luigi Martelli , Giuseppe Profiti , Rita Casadio , Renzhi Cao , Zhaolong Zhong , Jianlin Cheng , Adrian Altenhoff , Nives Skunca , Christophe Dessimoz , Tunca Dogan , Kai Hakala , Suwisa Kaewphan , Farrokh Mehryary , Tapio Salakoski , Filip Ginter , Hai Fang , Ben Smithers , Matt Oates , Julian Gough , Petri Törönen , Patrik Koskinen , Liisa Holm , Ching-Tai Chen , Wen-Lian Hsu , Kevin Bryson , Domenico Cozzetto , Federico Minneci , David T Jones , Samuel Chapman , Dukka B K. C. , Ishita K Khan , Daisuke Kihara , Dan Ofer , Nadav Rappoport , Amos Stern , Elena Cibrian-Uhalte , Paul Denny , Rebecca E Foulger , Reija Hieta , Duncan Legge , Ruth C Lovering , Michele Magrane , Anna N Melidoni , Prudence Mutowo-Meullenet , Klemens Pichler , Aleksandra Shypitsyna , Biao Li , Pooya Zakeri , Sarah ElShal , Léon-Charles Tranchevent , Sayoni Das , Natalie L Dawson , David Lee , Jonathan G Lees , Ian Sillitoe , Prajwal Bhat , Tamás Nepusz , Alfonso E Romero , Rajkumar Sasidharan , Haixuan Yang , Alberto Paccanaro , Jesse Gillis , Adriana E Sedeño-Cortés , Paul Pavlidis , Shou Feng , Juan M Cejuela , Tatyana Goldberg , Tobias Hamp , Lothar Richter , Asaf Salamov , Toni Gabaldon , Marina Marcet-Houben , Fran Supek , Qingtian Gong , Wei Ning , Yuanpeng Zhou , Weidong Tian , Marco Falda , Paolo Fontana , Enrico Lavezzo , Stefano Toppo , Carlo Ferrari , Manuel Giollo , Damiano Piovesan , Silvio Tosatto , Angela del Pozo , José M Fernández , Paolo Maietta , Alfonso Valencia , Michael L Tress , Alfredo Benso , Stefano Di Carlo , Gianfranco Politano , Alessandro Savino , Hafeez Ur Rehman , Matteo Re , Marco Mesiti , Giorgio Valentini , Joachim W Bargsten , Aalt DJ van Dijk , Branislava Gemovic , Sanja Glisic , Vladmir Perovic , Veljko Veljkovic , Nevena Veljkovic , Danillo C Almeida-e-Silva , Ricardo ZN Vencio , Malvika Sharan , Jörg Vogel , Lakesh Kansakar , Shanshan Zhang , Slobodan Vucetic , Zheng Wang , Michael JE Sternberg , Mark N Wass , Rachael P Huntley , Maria J Martin , Claire O'Donovan , Peter N Robinson , Yves Moreau , Anna Tramontano , Patricia C Babbitt , Steven E Brenner , Michal Linial , Christine A Orengo , Burkhard Rost , Casey S Greene , Sean D Mooney , Iddo Friedberg , Predrag Radivojac

Deep protein structure predictors such as AlphaFold provide confidence estimates (e.g., pLDDT) that are often miscalibrated and degrade under distribution shifts across experimental modalities, temporal changes, and intrinsically disordered…

机器学习 · 计算机科学 2026-01-13 Ibne Farabi Shihab , Sanjeda Akter , Anuj Sharma

Structure determination is essential to a mechanistic understanding of diseases and the development of novel therapeutics. Machine-learning-based structure prediction methods have made significant advancements by computationally predicting…

Proteins play a critical role in carrying out biological functions, and their 3D structures are essential in determining their functions. Accurately predicting the conformation of protein side-chains given their backbones is important for…

定量方法 · 定量生物学 2024-02-19 Yangtian Zhang , Zuobai Zhang , Bozitao Zhong , Sanchit Misra , Jian Tang

Computational protein design has a wide variety of applications. Despite its remarkable success, designing a protein for a given structure and function is still a challenging task. On the other hand, the number of solved protein structures…

定量方法 · 定量生物学 2018-04-26 Jingxue Wang , Huali Cao , John Z. H. Zhang , Yifei Qi

Motivation: We explored how explainable artificial intelligence (XAI) can help to shed light into the inner workings of neural networks for protein function prediction, by extending the widely used XAI method of integrated gradients such…

机器学习 · 计算机科学 2024-02-12 Markus Wenzel , Erik Grüner , Nils Strodthoff