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Related papers: Assigning function to protein-protein interactions…

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Deep learning models have driven significant progress in predicting protein function and interactions at the protein level. While these advancements have been invaluable for many biological applications such as enzyme engineering and…

Machine Learning · Computer Science 2025-05-20 Yang Tan , Wenrui Gou , Bozitao Zhong , Liang Hong , Huiqun Yu , Bingxin Zhou

In this work, we propose a novel centrality metric, referred to as star centrality, which incorporates information from the closed neighborhood of a node, rather than solely from the node itself, when calculating its topological importance.…

Quantitative Methods · Quantitative Biology 2018-03-15 Chrysafis Vogiatzis , Mustafa Can Camur

The community of different types of microbes present in a biological niche plays a very important role in functioning of the system. The crosstalk or interactions among the different microbes contributes to the building blocks of such…

Information Retrieval · Computer Science 2023-05-15 Krishanu Das Baksi , Vatsala Pokhrel , Kuntal Kumar Bhusan , Sharmila Mande

In this paper, we consider the statistical analysis of a protein interaction network. We propose a Bayesian model that uses a hierarchy of probabilistic assumptions about the way proteins interact with one another in order to: (i) identify…

Molecular Networks · Quantitative Biology 2007-11-15 Edoardo M Airoldi , David M Blei , Stephen E Fienberg , Eric P Xing

In this paper, a new method for PPI (proteinprotein interaction) prediction is proposed. In PPI prediction, a reliable and sufficient number of training samples is not available, but a large number of unlabeled samples is in hand. In the…

Machine Learning · Computer Science 2016-07-19 Amir Ahooye Atashin , Parsa Bagherzadeh , Kamaledin Ghiasi-Shirazi

Intrinsically Disordered Proteins (IDPs) constitute a large and structure-less class of proteins with significant functions. The existence of IDPs challenges the conventional notion that the biological functions of proteins rely on their…

Biomolecules · Quantitative Biology 2024-11-26 Parisa Mollaei , Danush Sadasivam , Chakradhar Guntuboina , Amir Barati Farimani

A major part of membrane function is conducted by proteins, both integral and peripheral. Peripheral membrane proteins temporarily adhere to biological membranes, either to the lipid bilayer or to integral membrane proteins with…

Biomolecules · Quantitative Biology 2014-06-27 Katerina C. Nastou , Georgios N. Tsaousis , Kimon E. Kremizas , Zoi I. Litou , Stavros J. Hamodrakas

Protein interactions constitute the fundamental building block of almost every life activity. Identifying protein communities from Protein-Protein Interaction (PPI) networks is essential to understand the principles of cellular organization…

Social and Information Networks · Computer Science 2019-11-26 Jianguo Chen , Kenli Li , Kashif Bilal , Ahmed A. Metwally , Keqin Li , Philip S. Yu

High-throughput protein interaction detection methods are strongly affected by false positive and false negative results. Focused experiments are needed to complement the large-scale methods by validating previously detected interactions…

Molecular Networks · Quantitative Biology 2007-05-23 Istvan Albert , Reka Albert

RNA-RNA interaction (RRI) is ubiquitous and has complex roles in the cellular functions. In human health studies, miRNA-target and lncRNAs are among an elite class of RRIs that have been extensively studied. Bacterial ncRNA-target and RNA…

Biomolecules · Quantitative Biology 2020-08-10 Ali Ebrahimpour-Boroojeny , Sanjay Rajopadhye , Hamidreza Chitsaz

Protein function prediction is a crucial task in bioinformatics, with significant implications for understanding biological processes and disease mechanisms. While the relationship between sequence and function has been extensively…

Quantitative Methods · Quantitative Biology 2024-09-04 Shania Mitra , Lei Huang , Manolis Kellis

Motivation: Peptide-protein interactions (PepPIs) are central to cellular regulation and peptide therapeutics, but experimental characterization remains too slow for large-scale screening. Existing methods usually emphasize either…

Machine Learning · Computer Science 2026-04-28 Chupei Tang , Junxiao Kong , Moyu Tang , Di Wang , Jixiu Zhai , Ronghao Xie , Shangkun Sima , Tianchi Lu

Biological data are extremely diverse, complex but also quite sparse. The recent developments in deep learning methods are offering new possibilities for the analysis of complex data. However, it is easy to be get a deep learning model that…

Machine Learning · Computer Science 2019-01-21 Florian Richoux , Charlène Servantie , Cynthia Borès , Stéphane Téletchéa

Understanding the molecular determinants of specificity in protein-protein interaction is an outstanding challenge of postgenome biology. The availability of large protein databases generated from sequences of hundreds of bacterial genomes…

Biomolecules · Quantitative Biology 2009-01-12 M. Weigt , R. A. White , H. Szurmant , J. A. Hoch , T. Hwa

Polyphenols and proteins are essential biomolecules that influence food functionality and, by extension, human health. Their interactions -- hereafter referred to as PhPIs (polyphenol-protein interactions) -- affect key processes such as…

Biomolecules · Quantitative Biology 2025-08-06 Qiang Liu , Tiantian Wang , Binbin Nian , Feiyang Ma , Siqi Zhao , Andrés F. Vásquez , Liping Guo , Chao Ding , Mehdi D. Davari

PubTator 3.0 (https://www.ncbi.nlm.nih.gov/research/pubtator3/) is a biomedical literature resource using state-of-the-art AI techniques to offer semantic and relation searches for key concepts like proteins, genetic variants, diseases, and…

Computation and Language · Computer Science 2024-01-23 Chih-Hsuan Wei , Alexis Allot , Po-Ting Lai , Robert Leaman , Shubo Tian , Ling Luo , Qiao Jin , Zhizheng Wang , Qingyu Chen , Zhiyong Lu

Our results demonstrated that a previously reported protein name co-occurrence method (5-mention PubGene) which was not based on a hypothesis testing framework, it is generally statistically more significant than the 99th percentile of…

Digital Libraries · Computer Science 2009-01-05 Maurice HT Ling , Christophe Lefevre , Kevin R. Nicholas

BACKGROUND: One of the most evident achievements of bioinformatics is the development of methods that transfer biological knowledge from characterised proteins to uncharacterised sequences. This mode of protein function assignment is mostly…

Quantitative Methods · Quantitative Biology 2007-09-28 Emmanuel D. Levy , Christos A. Ouzounis , Walter R. Gilks , Benjamin Audit

Interaction between proteins is a fundamental mechanism that underlies virtually all biological processes. Many important interactions are conserved across a large variety of species. The need to maintain interaction leads to a high degree…

Quantitative Methods · Quantitative Biology 2016-02-25 Christoph Feinauer , Hendrik Szurmant , Martin Weigt , Andrea Pagnani

The prediction of protein interactions (CPIs) is crucial for the in-silico screening step in drug discovery. Recently, many end-to-end representation learning methods using deep neural networks have achieved significantly better performance…

Quantitative Methods · Quantitative Biology 2020-11-30 Jingtao Wang , Xi Li , Hua Zhang