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We propose an optimized parameter set for protein secondary structure prediction using three layer feed forward back propagation neural network. The methodology uses four parameters viz. encoding scheme, window size, number of neurons in…

生物大分子 · 定量生物学 2018-02-02 Jyotshna Dongardivev , Siby Abraham

Computational docking methods can provide structural models of protein-protein complexes, but protein backbone flexibility upon association often thwarts accurate predictions. In recent blind challenges, medium or high accuracy models were…

生物大分子 · 定量生物学 2020-12-29 Ameya Harmalkar , Jeffrey J. Gray

Quantifying the effects of amino acid mutations in proteins presents a significant challenge due to the vast combinations of residue sites and amino acid types, making experimental approaches costly and time-consuming. The Potts model has…

统计方法学 · 统计学 2025-05-22 Bingying Dai , Yinan Lin , Kejue Jia , Zhao Ren , Wen Zhou

The most popular and universally predictive protein simulation models employ all-atom molecular dynamics (MD), but they come at extreme computational cost. The development of a universal, computationally efficient coarse-grained (CG) model…

As protein informatics advances rapidly, the demand for enhanced predictive accuracy, structural analysis, and functional understanding has intensified. Transformer models, as powerful deep learning architectures, have demonstrated…

机器学习 · 计算机科学 2025-05-28 Xiaowen Ling , Zhiqiang Li , Yanbin Wang , Zhuhong You

Accurately determining a change in protein binding affinity upon mutations is important for the discovery and design of novel therapeutics and to assist mutagenesis studies. Determination of change in binding affinity upon mutations…

生物大分子 · 定量生物学 2021-09-01 Wajid Arshad Abbasi , Syed Ali Abbas , Saiqa Andleeb

Proteins interact to form complexes to carry out essential biological functions. Computational methods have been developed to predict the structures of protein complexes. However, an important challenge in protein complex structure…

机器学习 · 计算机科学 2022-05-24 Xiao Chen , Alex Morehead , Jian Liu , Jianlin Cheng

Proteins are miniature machines whose function depends on their three-dimensional (3D) structure. Determining this structure computationally remains an unsolved grand challenge. A major bottleneck involves selecting the most accurate…

定量方法 · 定量生物学 2020-11-30 Stephan Eismann , Patricia Suriana , Bowen Jing , Raphael J. L. Townshend , Ron O. Dror

Accurate identification of protein nucleic-acid-binding residues poses a significant challenge with important implications for various biological processes and drug design. Many typical computational methods for protein analysis rely on a…

生物大分子 · 定量生物学 2023-12-21 Linglin Jing , Sheng Xu , Yifan Wang , Yuzhe Zhou , Tao Shen , Zhigang Ji , Hui Fang , Zhen Li , Siqi Sun

Recently developed deep learning techniques have significantly improved the accuracy of various speech and image recognition systems. In this paper we show how to adapt some of these techniques to create a novel chained convolutional…

机器学习 · 计算机科学 2017-02-20 Akosua Busia , Navdeep Jaitly

The quantitative structure-activity relationship (QSAR) regression model is a commonly used technique for predicting biological activities of compounds using their molecular descriptors. Predictions from QSAR models can help, for example,…

生物大分子 · 定量生物学 2023-04-04 Yuting Xu , Andy Liaw , Robert P. Sheridan , Vladimir Svetnik

Reliable prediction of protein variant effects is crucial for both protein optimization and for advancing biological understanding. For practical use in protein engineering, it is important that we can also provide reliable uncertainty…

生物大分子 · 定量生物学 2024-11-01 Peter Mørch Groth , Mads Herbert Kerrn , Lars Olsen , Jesper Salomon , Wouter Boomsma

Dose-response prediction in cancer is an active application field in machine learning. Using large libraries of \textit{in-vitro} drug sensitivity screens, the goal is to develop accurate predictive models that can be used to guide…

定量方法 · 定量生物学 2024-07-02 Leiv Rønneberg , Vidhi Lalchand , Paul D. W. Kirk

Predicting compound-protein affinity is critical for accelerating drug discovery. Recent progress made by machine learning focuses on accuracy but leaves much to be desired for interpretability. Through molecular contacts underlying…

生物大分子 · 定量生物学 2020-01-01 Mostafa Karimi , Di Wu , Zhangyang Wang , Yang Shen

Protein structure similarity search (PSSS), which tries to search proteins with similar structures, plays a crucial role across diverse domains from drug design to protein function prediction and molecular evolution. Traditional…

机器学习 · 计算机科学 2024-11-14 Jin Han , Wu-Jun Li

Hydrogen atom transfer (HAT) reactions are essential in many biological processes, such as radical migration in damaged proteins, but their mechanistic pathways remain incompletely understood. Simulating HAT is challenging due to the need…

机器学习 · 计算机科学 2025-11-25 Marlen Neubert , Patrick Reiser , Frauke Gräter , Pascal Friederich

A generalized computational method for folding proteins with a fully transferable potential and geometrically realistic all-atom model is presented and tested on seven different helix bundle proteins. The protocol, which includes…

生物大分子 · 定量生物学 2009-11-11 Isaac A. Hubner , Eric J. Deeds , Eugene I. Shakhnovich

Gaussian process regression machine learning with a physically-informed kernel is used to model the phase compositions of nickel-base superalloys. The model delivers good predictions for laboratory and commercial superalloys, with $R^2>0.8$…

材料科学 · 物理学 2021-09-29 Patrick L. Taylor , Gareth Conduit

Natural protein sequences somehow encode the structural forms that these molecules adopt. Recent developments in structure-prediction are agnostic to the mechanisms by which proteins fold and represent them as static objects. However, the…

生物大分子 · 定量生物学 2025-05-26 Ezequiel A. Galpern , Federico Caamaño , Diego U. Ferreiro

Over the past six years, molecular transformer models have become key tools in drug discovery. Most existing models are pre-trained on large, unlabeled datasets such as ZINC or ChEMBL. However, the extent to which large-scale pre-training…

机器学习 · 计算机科学 2025-05-23 Afnan Sultan , Max Rausch-Dupont , Shahrukh Khan , Olga Kalinina , Dietrich Klakow , Andrea Volkamer