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We have developed an alignment-free method that calculates phylogenetic distances using a maximum likelihood approach for a model of sequence change on patterns that are discovered in unaligned sequences. To evaluate the phylogenetic…

定量方法 · 定量生物学 2007-05-23 Michael Höhl , Isidore Rigoutsos , Mark A. Ragan

We propose a novel approach for predicting protein-peptide interactions using a bi-modal transformer architecture that learns an inter-facial joint distribution of residual contacts. The current data sets for crystallized protein-peptide…

生物大分子 · 定量生物学 2023-06-02 Justin Diamond , Markus Lill

We present an efficient algorithm to recover the three dimensional structure of a protein from its contact map representation. First we show that when a physically realizable map is used as target, our method generates a structure whose…

软凝聚态物质 · 物理学 2008-02-03 Michele Vendruscolo , Edo Kussell , Eytan Domany

We introduce a new version of forward stepwise regression. Our modification finds solutions to regression problems where the selected predictors appear in a structured pattern, with respect to a predefined distance measure over the…

统计方法学 · 统计学 2011-08-02 Daniel Percival , Kathryn Roeder , Roni Rosenfeld , Larry Wasserman

Time series forecasting has received a lot of attention, with recurrent neural networks (RNNs) being one of the widely used models due to their ability to handle sequential data. Previous studies on RNN time series forecasting, however,…

机器学习 · 计算机科学 2024-04-29 Christopher Salazar , Ashis G. Banerjee

Despite the constant evolution of similarity searching research, it continues to face the same challenges stemming from the complexity of the data, such as the curse of dimensionality and computationally expensive distance functions.…

信息检索 · 计算机科学 2022-10-06 Jaroslav Oľha , Terézia Slanináková , Martin Gendiar , Matej Antol , Vlastislav Dohnal

Existing work has linked properties of a function's gradient to the difficulty of function approximation. Motivated by these insights, we study how gradient information can be leveraged to improve neural network's ability to approximate…

机器学习 · 计算机科学 2026-02-11 Yangchen Pan , Qizhen Ying , Philip Torr , Bo Liu

After AlphaFold won the Nobel Prize, protein prediction with deep learning once again became a hot topic. We comprehensively explore advanced deep learning methods applied to protein structure prediction and design. It begins by examining…

Protein representation learning aims to learn informative protein embeddings capable of addressing crucial biological questions, such as protein function prediction. Although sequence-based transformer models have shown promising results by…

定量方法 · 定量生物学 2024-10-22 Michail Chatzianastasis , Yang Zhang , George Dasoulas , Michalis Vazirgiannis

Modern technologies are producing datasets with complex intrinsic structures, and they can be naturally represented as matrices instead of vectors. To preserve the latent data structures during processing, modern regression approaches…

机器学习 · 计算机科学 2016-11-16 Hang Zhang , Fengyuan Zhu , Shixin Li

Protein structure-based property prediction has emerged as a promising approach for various biological tasks, such as protein function prediction and sub-cellular location estimation. The existing methods highly rely on experimental protein…

Computational elucidation of membrane protein (MP) structures is challenging partially due to lack of sufficient solved structures for homology modeling. Here we describe a high-throughput deep transfer learning method that first predicts…

生物大分子 · 定量生物学 2017-08-29 Sheng Wang , Zhen Li , Yizhou Yu , Jinbo Xu

Is protein secondary structure primarily determined by local interactions between residues closely spaced along the amino acid backbone, or by non-local tertiary interactions? To answer this question we have measured the entropy densities…

生物大分子 · 定量生物学 2007-05-23 Gavin E. Crooks , Steven E. Brenner

Predicting protein properties such as solvent accessibility and secondary structure from its primary amino acid sequence is an important task in bioinformatics. Recently, a few deep learning models have surpassed the traditional window…

机器学习 · 计算机科学 2016-05-11 Zeming Lin , Jack Lanchantin , Yanjun Qi

One key task in virtual screening is to accurately predict the binding affinity ($\triangle$$G$) of protein-ligand complexes. Recently, deep learning (DL) has significantly increased the predicting accuracy of scoring functions due to the…

定量方法 · 定量生物学 2022-06-28 Zechen Wang , Liangzhen Zheng , Yang Liu , Yuanyuan Qu , Yong-Qiang Li , Mingwen Zhao , Yuguang Mu , Weifeng Li

Given the amino acid sequence of a protein, researchers often infer its structure and function by finding homologous, or evolutionarily-related, proteins of known structure and function. Since structure is typically more conserved than…

计算工程、金融与科学 · 计算机科学 2015-03-23 Noah M. Daniels

Deep neural network has been ensured as a key technology in the field of many challenging and vigorously researched computer vision tasks. Furthermore, classical ResNet is thought to be a state-of-the-art convolutional neural network (CNN)…

计算机视觉与模式识别 · 计算机科学 2024-09-02 Prathibha Varghese , G. Arockia Selva Saroja

While existing predictive frameworks are able to handle Euclidean structured data (i.e, brain images), they might fail to generalize to geometric non-Euclidean data such as brain networks. Besides, these are rooted the sample selection step…

计算机视觉与模式识别 · 计算机科学 2020-09-24 Ahmet Serkan Goktas , Alaa Bessadok , Islem Rekik

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 paper we propose a novel 3D CNN network with localized residual connections for hyperspectral image classification. Our work chalks a comparative study with the existing methods employed for abstracting deeper features and propose a…

计算机视觉与模式识别 · 计算机科学 2019-12-09 Shivangi Dwivedi , Murari Mandal , Shekhar Yadav , Santosh Kumar Vipparthi