中文

Sparks: Multi-Agent Artificial Intelligence Model Discovers Protein Design Principles

人工智能 2025-04-29 v1 材料科学 软凝聚态物质 机器学习 生物大分子

摘要

Advances in artificial intelligence (AI) promise autonomous discovery, yet most systems still resurface knowledge latent in their training data. We present Sparks, a multi-modal multi-agent AI model that executes the entire discovery cycle that includes hypothesis generation, experiment design and iterative refinement to develop generalizable principles and a report without human intervention. Applied to protein science, Sparks uncovered two previously unknown phenomena: (i) a length-dependent mechanical crossover whereby beta-sheet-biased peptides surpass alpha-helical ones in unfolding force beyond ~80 residues, establishing a new design principle for peptide mechanics; and (ii) a chain-length/secondary-structure stability map revealing unexpectedly robust beta-sheet-rich architectures and a "frustration zone" of high variance in mixed alpha/beta folds. These findings emerged from fully self-directed reasoning cycles that combined generative sequence design, high-accuracy structure prediction and physics-aware property models, with paired generation-and-reflection agents enforcing self-correction and reproducibility. The key result is that Sparks can independently conduct rigorous scientific inquiry and identify previously unknown scientific principles.

引用

@article{arxiv.2504.19017,
  title  = {Sparks: Multi-Agent Artificial Intelligence Model Discovers Protein Design Principles},
  author = {Alireza Ghafarollahi and Markus J. Buehler},
  journal= {arXiv preprint arXiv:2504.19017},
  year   = {2025}
}