AI-guided Antibiotic Discovery Pipeline from Target Selection to Compound Identification

• URL: http://arxiv.org/abs/2504.11091v1
• Date: Tue, 15 Apr 2025 11:36:27 GMT
• Title: AI-guided Antibiotic Discovery Pipeline from Target Selection to Compound Identification
• Authors: Maximilian G. Schuh, Joshua Hesse, Stephan A. Sieber,
• Abstract summary: Recent advances in protein structure prediction and machine learning offer a promising opportunity to accelerate drug discovery.<n>We develop an end-to-end, guided realization realization of 3D-structure-aware generative models.<n>This work provides a comparative benchmark and blueprint for deploying artificial intelligence in early-stage antibiotic development.
• Score: 0.0
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Antibiotic resistance presents a growing global health crisis, demanding new therapeutic strategies that target novel bacterial mechanisms. Recent advances in protein structure prediction and machine learning-driven molecule generation offer a promising opportunity to accelerate drug discovery. However, practical guidance on selecting and integrating these models into real-world pipelines remains limited. In this study, we develop an end-to-end, artificial intelligence-guided antibiotic discovery pipeline that spans target identification to compound realization. We leverage structure-based clustering across predicted proteomes of multiple pathogens to identify conserved, essential, and non-human-homologous targets. We then systematically evaluate six leading 3D-structure-aware generative models$\unicode{x2014}$spanning diffusion, autoregressive, graph neural network, and language model architectures$\unicode{x2014}$on their usability, chemical validity, and biological relevance. Rigorous post-processing filters and commercial analogue searches reduce over 100 000 generated compounds to a focused, synthesizable set. Our results highlight DeepBlock and TamGen as top performers across diverse criteria, while also revealing critical trade-offs between model complexity, usability, and output quality. This work provides a comparative benchmark and blueprint for deploying artificial intelligence in early-stage antibiotic development.

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