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Signed network structure discovery has received extensive attention and has become a research focus in the field of network science. However, most of the existing studies are focused on the networks with a single structure, e.g., community…

Social and Information Networks · Computer Science 2023-04-24 Yang Li , Bo Yang , Xuehua Zhao , Zhejian Yang , Hechang Chen

A goal of computational studies of protein-protein interfaces (PPIs) is to predict the binding site between two monomers that form a heterodimer. The simplest version of this problem is to rigidly re-dock the bound forms of the monomers,…

Biomolecules · Quantitative Biology 2026-01-08 Jacob Sumner , Grace Meng , Naomi Brandt , Alex T. Grigas , Andrés Córdoba , Mark D. Shattuck , Corey S. O'Hern

Computationally predicting protein-protein interactions (PPIs) is challenging due to the lack of integrated, multimodal protein representations. DPEB is a curated collection of 22,043 human proteins that integrates four embedding types:…

In this study, we tackle the challenging task of predicting secondary structures from protein primary sequences, a pivotal initial stride towards predicting tertiary structures, while yielding crucial insights into protein activity,…

Machine Learning · Computer Science 2025-11-18 Disha Varshney , Samarth Garg , Sarthak Tyagi , Deeksha Varshney , Nayan Deep , Asif Ekbal

The interaction between proteins and nucleic acids is crucial for processes that sustain cellular function, including DNA maintenance and the regulation of gene expression and translation. Amino acid mutations in protein-nucleic acid…

Biomolecules · Quantitative Biology 2025-12-01 Somnath Mondal , Tinkal Mondal , Soumajit Pramanik , Rukmankesh Mehra

Predicting molecule-protein interactions (MPIs) is a fundamental task in computational biology, with crucial applications in drug discovery and molecular function annotation. However, existing MPI models face two major challenges. First,…

Machine Learning · Computer Science 2025-12-11 Jiayu Qin , Zhengquan Luo , Guy Tadmor , Changyou Chen , David Zeevi , Zhiqiang Xu

Signed networks are such social networks having both positive and negative links. A lot of theories and algorithms have been developed to model such networks (e.g., balance theory). However, previous work mainly focuses on the unipartite…

Social and Information Networks · Computer Science 2021-10-12 Junjie Huang , Huawei Shen , Qi Cao , Shuchang Tao , Xueqi Cheng

Protein sequences are abundant in repeating segments, both as exact copies and as approximate segments with mutations. These repeats are important for protein structure and function, motivating decades of algorithmic work on repeat…

Machine Learning · Computer Science 2026-05-26 Gal Pomerants , Yaniv Nikankin , Anja Reusch , Tomer Tsaban , Ora Schueler-Furman , Yonatan Belinkov

Protein interaction networks (PINs) are often used to "learn" new biological function from their topology. Since current PINs are noisy, their computational de-noising via link prediction (LP) could improve the learning accuracy. LP uses…

Molecular Networks · Quantitative Biology 2013-07-15 Ryan W. Solava , Tijana Milenković

Proteins perform their functions usually by interacting with other proteins. Predicting which proteins interact is a fundamental problem. Experimental methods are slow, expensive, and have a high rate of error. Many computational methods…

Biomolecules · Quantitative Biology 2017-05-22 Yiwei Li , Lucian Ilie

Protein-protein interactions drive many biological processes, including the detection of phytopathogens by plants' R-Proteins and cell surface receptors. Many machine learning studies have attempted to predict protein-protein interactions…

Machine Learning · Computer Science 2023-10-24 Ruth Veevers , Dan MacLean

We introduce Bi-GNN for modeling biological link prediction tasks such as drug-drug interaction (DDI) and protein-protein interaction (PPI). Taking drug-drug interaction as an example, existing methods using machine learning either only…

Computational Engineering, Finance, and Science · Computer Science 2020-06-26 Yunsheng Bai , Ken Gu , Yizhou Sun , Wei Wang

Motivation: Protein-protein interactions (PPI) are critical to the function of proteins in both normal and diseased cells, and many critical protein functions are mediated by interactions.Knowledge of the nature of these interactions is…

Computation and Language · Computer Science 2022-01-10 Aparna Elangovan , Melissa Davis , Karin Verspoor

Correspondence-based statistical shape modeling (SSM) stands as a powerful technology for morphometric analysis in clinical research. SSM facilitates population-level characterization and quantification of anatomical shapes such as bones…

Computer Vision and Pattern Recognition · Computer Science 2024-05-17 Jadie Adams , Shireen Elhabian

The prediction of protein-protein interactions (PPIs) is crucial for understanding biological functions and diseases. Previous machine learning approaches to PPI prediction mainly focus on direct physical interactions, ignoring the broader…

Biomolecules · Quantitative Biology 2024-07-15 Mingyu Jin , Haochen Xue , Zhenting Wang , Boming Kang , Ruosong Ye , Kaixiong Zhou , Mengnan Du , Yongfeng Zhang

The field of protein-ligand pose prediction has seen significant advances in recent years, with machine learning-based methods now being commonly used in lieu of classical docking methods or even to predict all-atom protein-ligand complex…

Biomolecules · Quantitative Biology 2024-10-01 David Errington , Constantin Schneider , Cédric Bouysset , Frédéric A. Dreyer

Given the vastness of chemical space and the ongoing emergence of previously uncharacterized proteins, zero-shot compound-protein interaction (CPI) prediction better reflects the practical challenges and requirements of real-world drug…

Machine Learning · Computer Science 2025-07-29 Hongzhi Zhang , Zhonglie Liu , Kun Meng , Jiameng Chen , Jia Wu , Bo Du , Di Lin , Yan Che , Wenbin Hu

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…

Quantitative Methods · Quantitative Biology 2014-03-07 Jian Zhou , Olga G. Troyanskaya

Anatomy evaluation is crucial for understanding the physiological state, diagnosing abnormalities, and guiding medical interventions. Statistical shape modeling (SSM) is vital in this process. By enabling the extraction of quantitative…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Krithika Iyer , Mokshagna Sai Teja Karanam , Shireen Elhabian

One of the most challenging problems in biomedicine and genomics is the identification of disease biomarkers. In this study, proteomics data from seven major cancers were used to construct two weighted protein-protein interaction (PPI)…

Molecular Networks · Quantitative Biology 2019-10-07 Pramod Shinde , Loic Marrec , Aparna Rai , Alok Yadav , Rajesh Kumar , Mikhail Ivanchenko , Alexey Zaikin , Sarika Jalan