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Robust enzyme discovery and engineering with deep learning using CataPro

delete2025-03-20
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OA
AI
Z
Zechen Wang
D
Dongqi Xie
W
Wu, Dong
X
Xiaozhou Luo
S
Sheng Wang
李阳阳 封面图
李阳阳 (Yangyang Li)
Z
Zheng, Liangzhen *
DOI:10.1038/s41467-025-58038-4delete
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摘要

摘要

En 中文
准确预测酶动力学参数对于酶的探索和改造至关重要。现有模型由于过拟合问题,面临精度低或泛化能力差的问题。在本工作中,我们首先开发了无偏数据集以评估这些方法的真实性能,并提出了一种基于预训练模型和分子指纹的深度学习模型CataPro,用于预测转换数(kcat)、米氏常数(Km)和催化效率(kcat/Km)。与之前的基线模型相比,CataPro在无偏数据集上表现出明显增强的精度和泛化能力。在一个代表性的酶挖掘项目中,通过结合CataPro与传统方法,我们鉴定出一种酶(SsCSO),其活性较初始酶(CSO2)提高了19.53倍,随后成功对其进行改造,使活性进一步提高了3.34倍。这表明CataPro作为未来酶发现和改造的有效工具具有巨大潜力。
Keyword:
PROTEIN-STRUCTURE
BIOTECHNOLOGICAL PRODUCTION
SCORING FUNCTION
CRUDE ENZYME
WEB SERVER
DESIGN
MECHANISM
LANGUAGE
GENERATION
PREDICTION

期刊

Nature Communications 封面图
Nature Communications
IF:
15.7
论文数:
9.4W
被引数:
91.2W

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