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Transcription factors (TFs) regulate gene expression through complex and co-operative mechanisms. While many TFs act together, the logic underlying TFs binding and their interactions is not fully understood yet. Most current approaches for…

机器学习 · 计算机科学 2026-03-13 Pietro Demurtas , Ferdinando Zanchetta , Giovanni Perini , Rita Fioresi

Deep neural network (DNN) models have recently obtained state-of-the-art prediction accuracy for the transcription factor binding (TFBS) site classification task. However, it remains unclear how these approaches identify meaningful DNA…

机器学习 · 计算机科学 2016-10-20 Jack Lanchantin , Ritambhara Singh , Beilun Wang , Yanjun Qi

The identification of transcription factor binding sites (TFBSs) on genomic DNA is of crucial importance for understanding and predicting regulatory elements in gene networks. TFBS motifs are commonly described by Position Weight Matrices…

基因组学 · 定量生物学 2015-04-28 Marc Santolini , Thierry Mora , Vincent Hakim

Transcription factors are proteins that regulate the expression of genes by binding to specific genomic regions known as Transcription Factor Binding Sites (TFBSs), typically located in the promoter regions of those genes. Accurate…

机器学习 · 计算机科学 2025-02-04 Nimisha Ghosh , Pratik Dutta , Daniele Santoni

We present ensemble methods in a machine learning (ML) framework combining predictions from five known motif/binding site exploration algorithms. For a given TF the ensemble starts with position weight matrices (PWM's) for the motif,…

基因组学 · 定量生物学 2018-05-11 Yue Fan , Mark Kon , Charles DeLisi

When analyzing the genome, researchers have discovered that proteins bind to DNA based on certain patterns of the DNA sequence known as "motifs". However, it is difficult to manually construct motifs due to their complexity. Recently,…

机器学习 · 计算机科学 2017-02-23 Jack Lanchantin , Ritambhara Singh , Yanjun Qi

Neural networks, with powerful nonlinear mapping and classification capabilities, are widely applied in mechanical fault diagnosis to ensure safety. However, being typical black-box models, their application is limited in…

机器学习 · 计算机科学 2025-02-11 Qian Chen , Xingjian Dong , Zhike Peng

Transcription factors (TFs) are macromolecules that bind to \textit{cis}-regulatory specific sub-regions of DNA promoters and initiate transcription. Finding the exact location of these binding sites (aka motifs) is important in a variety…

计算机视觉与模式识别 · 计算机科学 2016-11-18 Hamid Reza Hassanzadeh , May D. Wang

The interaction between proteins and DNA is a key driving force in a significant number of biological processes such as transcriptional regulation, repair, recombination, splicing, and DNA modification. The identification of DNA-binding…

定量方法 · 定量生物学 2017-05-10 Hamid Reza Hassanzadeh , Pushkar Kolhe , Charles L. Isbell , May D. Wang

Protein post-translational modification (PTM) site prediction is a fundamental task in bioinformatics. Several computational methods have been developed to predict PTM sites. However, existing methods ignore the structure information and…

定量方法 · 定量生物学 2024-01-19 Zhengyi Li , Menglu Li , Lida Zhu , Wen Zhang

Accurate localization of proteins from fluorescence microscopy images is challenging due to the inter-class similarities and intra-class disparities introducing grave concerns in addressing multi-class classification problems. Conventional…

计算机视觉与模式识别 · 计算机科学 2021-10-11 Muhammad Tahir , Saeed Anwar , Ajmal Mian , Abdul Wahab Muzaffar

The transcription of DNA into mRNA is initiated and aided by a number of transcription factors (TFs), proteins with DNA-binding regions that attach themselves to binding sites in the DNA (transcription factor binding sites, TFBSs). As it…

生物大分子 · 定量生物学 2007-05-23 Mikael Huss , Karin Nordstrom

Background: Predictive, stable and interpretable gene signatures are generally seen as an important step towards a better personalized medicine. During the last decade various methods have been proposed for that purpose. However, one…

基因组学 · 定量生物学 2013-05-28 Yupeng Cun , Holger Fröhlich

Deep learning is an important method for molecular design and exhibits considerable ability to predict molecular properties, including physicochemical, bioactive, and ADME/T (absorption, distribution, metabolism, excretion, and toxicity)…

分子网络 · 定量生物学 2022-05-10 Hanxuan Cai , Huimin Zhang , Duancheng Zhao , Jingxing Wu , Ling Wang

Composed of amino acid chains that influence how they fold and thus dictating their function and features, proteins are a class of macromolecules that play a central role in major biological processes and are required for the structure,…

定量方法 · 定量生物学 2022-07-15 Aaron Wang

Motivation Protein fold recognition is an important problem in structural bioinformatics. Almost all traditional fold recognition methods use sequence (homology) comparison to indirectly predict the fold of a tar get protein based on the…

机器学习 · 计算机科学 2017-06-06 Jie Hou , Badri Adhikari , Jianlin Cheng

Through sequence-based classification, this paper tries to accurately predict the DNA binding sites of transcription factors (TFs) in an unannotated cellular context. Related methods in the literature fail to perform such predictions…

机器学习 · 计算机科学 2016-11-17 Ritambhara Singh , Jack Lanchantin , Gabriel Robins , Yanjun Qi

Protein structure prediction remains to be an open problem in bioinformatics. There are two main categories of methods for protein structure prediction: Free Modeling (FM) and Template Based Modeling (TBM). Protein threading, belonging to…

生物大分子 · 定量生物学 2015-09-14 Haicang Zhang , Mingfu Shao , Chao Wang , Jianwei Zhu , Wei-Mou Zheng , Dongbo Bu

Predicting protein secondary structure is a fundamental problem in protein structure prediction. Here we present a new supervised generative stochastic network (GSN) based method to predict local secondary structure with deep hierarchical…

定量方法 · 定量生物学 2014-03-07 Jian Zhou , Olga G. Troyanskaya

MOTIVATION: Proteins fold into complex structures that are crucial for their biological functions. Experimental determination of protein structures is costly and therefore limited to a small fraction of all known proteins. Hence, different…

生物大分子 · 定量生物学 2018-04-18 David Menéndez Hurtado , Karolis Uziela , Arne Elofsson
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