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Recent advancements in computational chemistry have leveraged the power of trans-former-based language models, such as MoLFormer, pre-trained using a vast amount of simplified molecular-input line-entry system (SMILES) sequences, to…

生物大分子 · 定量生物学 2024-11-05 Tianhao Peng , Yuchen Li , Xuhong Li , Jiang Bian , Zeke Xie , Ning Sui , Shahid Mumtaz , Yanwu Xu , Linghe Kong , Haoyi Xiong

Deep learning has proven to yield fast and accurate predictions of quantum-chemical properties to accelerate the discovery of novel molecules and materials. As an exhaustive exploration of the vast chemical space is still infeasible, we…

机器学习 · 统计学 2020-01-10 Niklas W. A. Gebauer , Michael Gastegger , Kristof T. Schütt

Synthesizability remains a critical bottleneck in generative molecular design. While recent advances have addressed synthesizability in 2D graphs, extending these constraints to 3D for geometry-based conditional generation remains largely…

n this work, we propose a latent molecular diffusion model that can make the generated 3D molecules rich in diversity and maintain rich geometric features. The model captures the information of the forces and local constraints between atoms…

机器学习 · 计算机科学 2024-12-06 Xiang Chen

Diffusion-based models have shown great promise in molecular generation but often require a large number of sampling steps to generate valid samples. In this paper, we introduce a novel Straight-Line Diffusion Model (SLDM) to tackle this…

机器学习 · 计算机科学 2025-06-10 Yuyan Ni , Shikun Feng , Haohan Chi , Bowen Zheng , Huan-ang Gao , Wei-Ying Ma , Zhi-Ming Ma , Yanyan Lan

De novo 3D molecule generation is a pivotal task in drug discovery. However, many recent geometric generative models struggle to produce high-quality 3D structures, even if they maintain 2D validity and topological stability. To tackle this…

机器学习 · 计算机科学 2025-05-27 Danny Reidenbach , Filipp Nikitin , Olexandr Isayev , Saee Paliwal

We propose a novel molecular fingerprint-based variational autoencoder applied for molecular generation on real-world drug molecules. We define more suitable and pharma-relevant baseline metrics and tests, focusing on the generation of…

机器学习 · 计算机科学 2022-11-17 Ruslan N. Tazhigulov , Joshua Schiller , Jacob Oppenheim , Max Winston

We propose a new score-based approach to generate 3D molecules represented as atomic densities on regular grids. First, we train a denoising neural network that learns to map from a smooth distribution of noisy molecules to the distribution…

Obtaining 3D conformations of realistic polyatomic molecules at the quantum chemistry level remains challenging, and although recent machine learning advances offer promise, predicting large-molecule structures still requires substantial…

化学物理 · 物理学 2025-11-18 Yifei Zhu , Jiahui Zhang , Jiawei Peng , Mengge Li , Chao Xu , Zhenggang Lan

The integration of molecular and natural language representations has emerged as a focal point in molecular science, with recent advancements in Language Models (LMs) demonstrating significant potential for comprehensive modeling of both…

生物大分子 · 定量生物学 2025-03-19 Qizhi Pei , Rui Yan , Kaiyuan Gao , Jinhua Zhu , Lijun Wu

A generative model capable of sampling realistic molecules with desired properties could accelerate chemical discovery across a wide range of applications. Toward this goal, significant effort has focused on developing models that jointly…

机器学习 · 计算机科学 2025-08-19 Ian Dunn , David R. Koes

Current SMILES-based diffusion models for molecule generation typically support only unimodal constraint. They inject conditioning signals at the start of the training process and require retraining a new model from scratch whenever the…

机器学习 · 计算机科学 2025-08-21 Yunzhe Zhang , Yifei Wang , Khanh Vinh Nguyen , Pengyu Hong

The goal of structure-based drug discovery is to find small molecules that bind to a given target protein. Deep learning has been used to generate drug-like molecules with certain cheminformatic properties, but has not yet been applied to…

定量方法 · 定量生物学 2022-01-27 Matthew Ragoza , Tomohide Masuda , David Ryan Koes

Goal-oriented de novo molecule design, namely generating molecules with specific property or substructure constraints, is a crucial yet challenging task in drug discovery. Existing methods, such as Bayesian optimization and reinforcement…

计算工程、金融与科学 · 计算机科学 2025-02-28 Chuanliu Fan , Ziqiang Cao , Zicheng Ma , Nan Yu , Yimin Peng , Jun Zhang , Yiqin Gao , Guohong Fu

With the emergence of diffusion models as a frontline generative model, many researchers have proposed molecule generation techniques with conditional diffusion models. However, the unavoidable discreteness of a molecule makes it difficult…

机器学习 · 计算机科学 2025-06-05 Jinho Chang , Jong Chul Ye

Recently, deep generative models have revealed itself as a promising way of performing de novo molecule design. However, previous research has focused mainly on generating SMILES strings instead of molecular graphs. Although current graph…

定量方法 · 定量生物学 2018-04-24 Yibo Li , Liangren Zhang , Zhenming Liu

In the scope of drug discovery, the molecular design aims to identify novel compounds from the chemical space where the potential drug-like molecules are estimated to be in the order of 10^60 - 10^100. Since this search task is…

机器学习 · 计算机科学 2022-10-25 Wenlu Wang , Ye Wang , Honggang Zhao , Simone Sciabola

Generating molecular structures with desired properties is a critical task with broad applications in drug discovery and materials design. We propose 3M-Diffusion, a novel multi-modal molecular graph generation method, to generate diverse,…

机器学习 · 计算机科学 2024-10-04 Huaisheng Zhu , Teng Xiao , Vasant G Honavar

With the recent advances in machine learning for quantum chemistry, it is now possible to predict the chemical properties of compounds and to generate novel molecules. Existing generative models mostly use a string- or graph-based…

生物大分子 · 定量生物学 2020-10-14 Vitali Nesterov , Mario Wieser , Volker Roth

Generative models have achieved impressive results in many domains including image and text generation. In the natural sciences, generative models have led to rapid progress in automated drug discovery. Many of the current methods focus on…

机器学习 · 计算机科学 2019-09-04 Jordan Hoffmann , Louis Maestrati , Yoshihide Sawada , Jian Tang , Jean Michel Sellier , Yoshua Bengio