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Enhancing 3D Cryo-EM Density Maps of Protein Structures at Intermediate Resolution with Structure-Aware Multimodal U-Nets

Advanced AI EditorBy Advanced AI EditorMay 16, 2025No Comments1 Min Read
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[Submitted on 26 Mar 2025 (v1), last revised 15 May 2025 (this version, v2)]

View a PDF of the paper titled CryoSAMU: Enhancing 3D Cryo-EM Density Maps of Protein Structures at Intermediate Resolution with Structure-Aware Multimodal U-Nets, by Chenwei Zhang and Khanh Dao Duc

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Abstract:Enhancing cryogenic electron microscopy (cryo-EM) 3D density maps at intermediate resolution (4-8 Å) is crucial in protein structure determination. Recent advances in deep learning have led to the development of automated approaches for enhancing experimental cryo-EM density maps. Yet, these methods are not optimized for intermediate-resolution maps and rely on map density features alone. To address this, we propose CryoSAMU, a novel method designed to enhance 3D cryo-EM density maps of protein structures using structure-aware multimodal U-Nets and trained on curated intermediate-resolution density maps. We comprehensively evaluate CryoSAMU across various metrics and demonstrate its competitive performance compared to state-of-the-art methods. Notably, CryoSAMU achieves significantly faster processing speed, showing promise for future practical applications. Our code is available at this https URL.

Submission history

From: Chenwei Zhang [view email]
[v1]
Wed, 26 Mar 2025 07:33:36 UTC (10,476 KB)
[v2]
Thu, 15 May 2025 15:06:46 UTC (10,482 KB)



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