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Parameterized hypercomplex convolutional network for accurate protein backbone torsion angle prediction

delete2024-11-08
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AI
杨
杨伟 (Wei Yang)
W
Wei, Shujia
张磊 封面图
张磊 (Lei Zhang) *
DOI:10.1038/s41598-024-77412-8delete
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摘要

摘要

En 中文
仅根据蛋白质的氨基酸序列预测每个残基对应的骨架扭角是一个计算生物学中的挑战性问题。现有的扭角预测器主要使用通过耗时多序列比对生成的轮廓特征进行扭角预测。与传统的轮廓特征相比,预训练蛋白质语言模型生成的嵌入特征在预测性能和计算速度方面具有显著优势。然而,嵌入特征通常具有较高维度,且不同嵌入特征的维度差异显著。为此,我们设计了一种新颖的参数高效深度扭角预测器PHAngle,专门针对嵌入特征。PHAngle是一种参数化超复数卷积网络,由参数化超复数线性层和卷积层组成,其权重参数可表征为克罗内克积的和。在包括TEST2016、TEST2018、TEST2020_HQ、CASP12、CASP13和CASP-FM在内的六个基准测试集上的实验结果表明,与九种现有方法相比,PHAngle在参数最少的情况下实现了最先进的扭角性能。源代码和数据集可在https://github.com/fengtuan/PHAngle获取。
Keyword:
Torsion angle prediction
Parameterized hypercomplex convolutional network
Pretrained protein language model
Embedding feature

期刊

Scientific Reports 封面图
Scientific Reports
IF:
3.9
论文数:
28.3W
被引数:
83.5W

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引用论文

引用论文

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