1396-DiffPharma:基于扩散模型的蛋白质配体相互作用药效团设计 episode artwork

EPISODE · Aug 7, 2026 · 30 MIN

1396-DiffPharma:基于扩散模型的蛋白质配体相互作用药效团设计

from 聊聊Sci

DiffPharma 是一种基于条件扩散模型的新型三维药物分子生成框架,旨在通过结构化药效团建模实现精准的药物设计。该方法创新性地引入了**“相互作用粒子”概念,能够显式地约束配体与靶标蛋白之间的氢键及疏水相互作用**。通过其特有的多路径自适应融合图神经网络 (MAP-EGNN),系统可以高效整合多种交互特征,生成既符合空间约束又具备化学多样性的候选分子。实验证明,该模型在相互作用再现性方面显著优于现有基准,生成的分子在 SARS-CoV-2 主蛋白酶等案例中展现了良好的动力学稳定性和成药潜力。此外,DiffPharma 能够直接从蛋白质结构出发,设计出具有合成可行性且能模拟已知活性配体关键作用模式的新颖分子。References:Sako M, Yasuo N, Sekijima M. Interaction-constrained 3D molecular generation using a diffusion model enables structure-based pharmacophore modeling for drug design[J]. npj Drug Discovery, 2026, 3(1): 8.前往小宇宙评论区与主播互动

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1396-DiffPharma:基于扩散模型的蛋白质配体相互作用药效团设计

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