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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…

社会与信息网络 · 计算机科学 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,…

生物大分子 · 定量生物学 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,…

机器学习 · 计算机科学 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…

生物大分子 · 定量生物学 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,…

机器学习 · 计算机科学 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…

社会与信息网络 · 计算机科学 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…

机器学习 · 计算机科学 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…

分子网络 · 定量生物学 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…

生物大分子 · 定量生物学 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…

机器学习 · 计算机科学 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…

计算工程、金融与科学 · 计算机科学 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…

计算与语言 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

生物大分子 · 定量生物学 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…

生物大分子 · 定量生物学 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…

机器学习 · 计算机科学 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…

定量方法 · 定量生物学 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…

计算机视觉与模式识别 · 计算机科学 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)…

分子网络 · 定量生物学 2019-10-07 Pramod Shinde , Loic Marrec , Aparna Rai , Alok Yadav , Rajesh Kumar , Mikhail Ivanchenko , Alexey Zaikin , Sarika Jalan