MSBooster: improving peptide identification rates using deep learning-based features.

MSBooster: improving peptide identification rates using deep learning-based features.
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DOI:
10.1038/s41467-023-40129-9
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发表时间:
2023-07-27
影响因子:
16.6
通讯作者:
Nesvizhskii, Alexey I.
Nesvizhskii, Alexey I.
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Yang, Kevin L.;Yu, Fengchao;Teo, Guo Ci;Li, Kai;Demichev, Vadim;Ralser, Markus;Nesvizhskii, Alexey I.

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液相色谱-串联质谱(LC-MS/MS)实验中的肽鉴定依赖于计算算法,用于使用数据库搜索工具(如MSFragger)将获得的MS/MS光谱与候选肽的序列进行匹配。在这里,我们提出了一种新的工具,MSBooster,用于使用额外的功能来重新评分肽与光谱的匹配,这些功能结合了基于深度学习的肽特性预测,例如LC保留时间,离子迁移率和MS/MS光谱。我们演示了MSBooster的实用程序,与MSFragger和Percolator串联,在几个不同的工作流程中,包括非特异性搜索(免疫肽组学),直接识别肽的数据独立的采集数据,单细胞蛋白质组学,和离子迁移率分离功能的timsTOF MS平台上生成的数据。MSBooster是快速,强大,并完全集成到广泛使用的FragPipe计算平台。在自下而上的蛋白质组学中,需要一种可用的方法来改善肽谱匹配重新评分与深度学习预测。在这里,作者展示了从单细胞蛋白质组学到免疫肽组学的各种实验中肽/蛋白质鉴定的强大收益。
Peptide identification in liquid chromatography-tandem mass spectrometry (LC-MS/MS) experiments relies on computational algorithms for matching acquired MS/MS spectra against sequences of candidate peptides using database search tools, such as MSFragger. Here, we present a new tool, MSBooster, for rescoring peptide-to-spectrum matches using additional features incorporating deep learning-based predictions of peptide properties, such as LC retention time, ion mobility, and MS/MS spectra. We demonstrate the utility of MSBooster, in tandem with MSFragger and Percolator, in several different workflows, including nonspecific searches (immunopeptidomics), direct identification of peptides from data independent acquisition data, single-cell proteomics, and data generated on an ion mobility separation-enabled timsTOF MS platform. MSBooster is fast, robust, and fully integrated into the widely used FragPipe computational platform. There is a need for accessible ways to improve peptide spectrum match rescoring with deep learning predictions in bottom-up proteomics. Here, the authors demonstrate robust gains in peptide/protein identifications across various experiments, from single cell proteomics to immunopeptidomics.
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影响因子: 4.4
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