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Proteins adopt multiple structural conformations to perform their diverse biological functions, and understanding these conformations is crucial for advancing drug discovery. Traditional physics-based simulation methods often struggle with…

Biomolecules · Quantitative Biology 2025-03-14 Jiarui Lu , Xiaoyin Chen , Stephen Zhewen Lu , Chence Shi , Hongyu Guo , Yoshua Bengio , Jian Tang

Deep joint source-channel coding (JSCC) has emerged as a promising paradigm for semantic communication, delivering significant performance gains over conventional separate coding schemes. However, existing JSCC frameworks remain vulnerable…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Changyuan Zhao , Jiacheng Wang , Ruichen Zhang , Dusit Niyato , Hongyang Du , Zehui Xiong , Dong In Kim , Ping Zhang

Designing 3D ligands within a target binding site is a fundamental task in drug discovery. Existing structured-based drug design methods treat all ligand atoms equally, which ignores different roles of atoms in the ligand for drug design…

Biomolecules · Quantitative Biology 2024-03-14 Jiaqi Guan , Xiangxin Zhou , Yuwei Yang , Yu Bao , Jian Peng , Jianzhu Ma , Qiang Liu , Liang Wang , Quanquan Gu

Diffusion models have recently shown promise in time series forecasting, particularly for probabilistic predictions. However, they often fail to achieve state-of-the-art point estimation performance compared to regression-based methods.…

Artificial Intelligence · Computer Science 2025-11-25 Hang Ding , Xue Wang , Tian Zhou , Tao Yao

Semantic segmentation is important in medical image analysis. Inspired by the strong ability of traditional image analysis techniques in capturing shape priors and inter-subject similarity, many deep learning (DL) models have been recently…

Computer Vision and Pattern Recognition · Computer Science 2022-04-26 Cong Xie , Hualuo Liu , Shilei Cao , Dong Wei , Kai Ma , Liansheng Wang , Yefeng Zheng

Diffusion language models (DLMs) offer a promising path toward low-latency generation through parallel decoding, but their practical efficiency depends heavily on the decoding trajectory. In practice, this advantage often fails to fully…

Computation and Language · Computer Science 2026-04-02 Lingjie Chen , Ruizhong Qiu , Yuyu Fan , Yanjun Zhao , Hanghang Tong

Identifying interacting partners from two sets of protein sequences has important applications in computational biology. Interacting partners share similarities across species due to their common evolutionary history, and feature…

Biomolecules · Quantitative Biology 2024-12-31 Umberto Lupo , Damiano Sgarbossa , Martina Milighetti , Anne-Florence Bitbol

Recent self-supervised methods are mainly designed for representation learning with the base model, e.g., ResNets or ViTs. They cannot be easily transferred to DETR, with task-specific Transformer modules. In this work, we present Siamese…

Computer Vision and Pattern Recognition · Computer Science 2023-04-03 Zeren Chen , Gengshi Huang , Wei Li , Jianing Teng , Kun Wang , Jing Shao , Chen Change Loy , Lu Sheng

Protein modeling is an increasingly popular area of machine learning research. Semi-supervised learning has emerged as an important paradigm in protein modeling due to the high cost of acquiring supervised protein labels, but the current…

Machine Learning · Computer Science 2019-06-20 Roshan Rao , Nicholas Bhattacharya , Neil Thomas , Yan Duan , Xi Chen , John Canny , Pieter Abbeel , Yun S. Song

Recent advances in protein backbone generation have achieved promising results under structural, functional, or physical constraints. However, existing methods lack the flexibility for precise topology control, limiting navigation of the…

Artificial Intelligence · Computer Science 2025-04-22 Zhengxi Lu , Shizhuo Cheng , Yuru Jiang , Yan Zhang , Min Zhang

Current Large Language Models (LLMs) for understanding proteins primarily treats amino acid sequences as a text modality. Meanwhile, Protein Language Models (PLMs), such as ESM-2, have learned massive sequential evolutionary knowledge from…

Machine Learning · Computer Science 2024-12-17 Nuowei Liu , Changzhi Sun , Tao Ji , Junfeng Tian , Jianxin Tang , Yuanbin Wu , Man Lan

Pre-trained models have been successful in many protein engineering tasks. Most notably, sequence-based models have achieved state-of-the-art performance on protein fitness prediction while structure-based models have been used…

Machine Learning · Computer Science 2023-07-25 Antonia Boca , Simon Mathis

Generative models of macromolecules carry abundant and impactful implications for industrial and biomedical efforts in protein engineering. However, existing methods are currently limited to modeling protein structures or sequences,…

Biomolecules · Quantitative Biology 2024-01-15 Alex Morehead , Jeffrey Ruffolo , Aadyot Bhatnagar , Ali Madani

By providing new insights into the distribution of a protein's torsion angles, recent statistical models for this data have pointed the way to more efficient methods for protein structure prediction. Most current approaches have…

Applications · Statistics 2010-11-10 Kristin P. Lennox , David B. Dahl , Marina Vannucci , Ryan Day , Jerry W. Tsai

The latest biological findings observe that the traditional motionless 'lock-and-key' theory is not generally applicable because the receptor and ligand are constantly moving. Nonetheless, remarkable changes in associated atomic sites and…

Computational Engineering, Finance, and Science · Computer Science 2023-11-01 Fang Wu , Shuting Jin , Yinghui Jiang , Xurui Jin , Bowen Tang , Zhangming Niu , Xiangrong Liu , Qiang Zhang , Xiangxiang Zeng , Stan Z. Li

Deep learning has contributed to major advances in the prediction of protein structure from sequence, a fundamental problem in structural bioinformatics. With predictions now approaching the accuracy of crystallographic resolution in some…

Quantitative Methods · Quantitative Biology 2022-01-26 Mu Gao , Mark Coletti , Russell B. Davidson , Ryan Prout , Subil Abraham , Benjamin Hernandez , Ada Sedova

Many studies have concentrated on constructing supervised models utilizing paired datasets for image denoising, which proves to be expensive and time-consuming. Current self-supervised and unsupervised approaches typically rely on…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Huaqiu Li , Wang Zhang , Xiaowan Hu , Tao Jiang , Zikang Chen , Haoqian Wang

Pre-trained protein models (PTPMs) represent a protein with one fixed embedding and thus are not capable for diverse tasks. For example, protein structures can shift, namely protein folding, between several conformations in various…

Artificial Intelligence · Computer Science 2022-02-08 Qiang Zhang , Zeyuan Wang , Yuqiang Han , Haoran Yu , Xurui Jin , Huajun Chen

Natural protein sequences somehow encode the structural forms that these molecules adopt. Recent developments in structure-prediction are agnostic to the mechanisms by which proteins fold and represent them as static objects. However, the…

Biomolecules · Quantitative Biology 2025-05-26 Ezequiel A. Galpern , Federico Caamaño , Diego U. Ferreiro

This work introduces the generative fractional diffusion model for protein generation (ProT-GFDM), a novel generative framework that employs fractional stochastic dynamics for protein backbone structure modeling. This approach builds on the…

Quantitative Methods · Quantitative Biology 2025-05-01 Xiao Liang , Wentao Ma , Eric Paquet , Herna Lydia Viktor , Wojtek Michalowski