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Updated: Apr 17, 2026

Navigating the Mass Spectrometry-Based Proteomic Data Using Free Computational Tools
Published on: August 19, 2025
YPED: an integrated bioinformatics suite and database for mass spectrometry-based proteomics research
Christopher M Colangelo1, Mark Shifman2, Kei-Hoi Cheung3
1W.M. Keck Foundation Biotechnology Resource Laboratory, School of Medicine, Yale University, New Haven, CT 06510, USA; Department of Molecular Biophysics & Biochemistry, Yale University, New Haven, CT 06520, USA.
The Yale Protein Expression Database (YPED) offers enhanced bioinformatics tools for proteomics research. This updated suite improves data management and analysis for mass spectrometry-based studies, benefiting researchers globally.
Area of Science:
- Proteomics
- Bioinformatics
- Mass Spectrometry
Background:
- High-throughput proteomics research generates vast datasets requiring robust management and analysis.
- Existing bioinformatics tools may not fully address the complexities of quantitative proteomic analysis and data archival.
Purpose of the Study:
- To report a significantly enhanced bioinformatics suite and database, the Yale Protein Expression Database (YPED).
- To meet the diverse data management, archival, and analysis needs of mass spectrometry-based proteomics research.
- To provide advanced tools for quantitative proteomic analysis, comparative studies, and targeted assay development.
Main Methods:
- Development of new modules for LC-MS/MS database search results, quantitative proteomic analysis (label and label-free), and phosphopeptide site localization scoring.
- Implementation of comparative analysis tools for peptides and proteins across multiple datasets.
- Integration of a targeted proteomics module for automated MRM/SRM assay development.
- Linking YPED results to the Skyline Panorama repository for online spectra visualization.
- Enhanced functionality for curating peptide identifications into an MS/MS spectral library.
Main Results:
- The enhanced YPED provides comprehensive solutions for proteomics data management and analysis.
- New modules facilitate detailed quantitative analysis and comparative studies.
- Automated assay development for targeted proteomics is now available.
- Integration with Skyline Panorama enables online spectral visualization.
- An MS/MS spectral library is curated from identification results.
Conclusions:
- The enhanced YPED significantly advances bioinformatics capabilities for proteomics research.
- It supports a wide range of research scales, from individual labs to the global community.
- YPED improves data accessibility, analysis efficiency, and the development of targeted proteomics assays.
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