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Navigating the Mass Spectrometry-Based Proteomic Data Using Free Computational Tools

Navigating the Mass Spectrometry-Based Proteomic Data Using Free Computational Tools

Published on: August 19, 2025

A tutorial for software development in quantitative proteomics using PSI standard formats.

Faviel F Gonzalez-Galarza¹, Da Qi, Jun Fan

¹Institute of Integrative Biology, University of Liverpool, Liverpool, UK.

Biochimica Et Biophysica Acta

|April 16, 2013

Summary

This summary is machine-generated.

The Human Proteome Organisation - Proteomics Standards Initiative (HUPO-PSI) developed standardized data formats (mzML, mzIdentML, mzQuantML) for mass spectrometry proteomics. This tutorial guides bioinformaticians in using these formats and Java APIs for quantitative proteomics analysis.

Keywords:

APIs Quantitative proteomics Software Standard formats

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Area of Science:

Proteomics
Bioinformatics
Computational Biology

Background:

The Human Proteome Organisation - Proteomics Standards Initiative (HUPO-PSI) has focused on developing standardized formats for proteomics data for a decade.
Standardized formats are crucial for data sharing and deposition in public databases.

Purpose of the Study:

To review three HUPO-PSI data standards: mzML, mzIdentML, and mzQuantML.
To provide guidance for bioinformaticians to design quantitative proteomics analysis pipelines using these standards.
To demonstrate the use of Java APIs for reading and writing these standardized files.

Main Methods:

Review of HUPO-PSI data standards (mzML, mzIdentML, mzQuantML).
Description of data models for quantitative proteomics analysis.
Guidance on using Java Application Programming Interfaces (APIs) for file manipulation.
Development of example Java classes and a graphical user interface.

Main Results:

The article details the content of mzML, mzIdentML, and mzQuantML data models.
It provides practical guidance on utilizing Java APIs for efficient file handling.
Example code and a GUI are available to facilitate the use of PSI standards.

Conclusions:

The reviewed HUPO-PSI standards enable the design of comprehensive quantitative proteomics analysis pipelines.
The provided Java APIs and examples simplify the implementation of these standards in proteomics software.
This work supports data standardization and sharing in mass spectrometry-based proteomics.