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Journal / Biochemistry / An Integrated Workflow of Identification and…
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Biochemistry

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An Integrated Workflow of Identification and Quantification on FDR Control-Based Untargeted Metabolome

Article DOI: 10.3791/63625-v • 05:35 min • September 20th, 2022
September 20th, 2022 •
*1, *1, 2, 1,2
1Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes and MOE Key Laboratory of Tumor Molecular Biology, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, 2Chi-Biotech Co. Ltd.
* These authors contributed equally

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Summary
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We constructed an untargeted metabolomic workflow that integrated XY-Meta and metaX together. In this protocol, we displayed how to use XY-Meta to generate a decoy spectral library from open access spectra reference, and then performed FDR control and used the metaX to quantitate the metabolites after identifying the metabolomics spectra.

Tags

Identification And Quantification FDR Control Untargeted Metabolome Qualitative Analysis XY-Meta Target-decoy Strategy False Positive Results Biomarkers Key Molecules Pipeline Default Parameters GNPS Database Datasets Raw Data ProteoWizard Software Msconvert.exe MzXML Format MGF Format Reference Spectral Library NIST
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