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Mapping Dysfunctional Protein-Protein Interactions in Disease

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iSwathX 2.0 for Processing DDA Spectral Libraries for DIA Data Analysis.

Zainab Noor¹, Abidali Mohamedali¹, Shoba Ranganathan¹

¹Department of Molecular Sciences, Macquarie University, Sydney, NSW, Australia.

Current Protocols in Bioinformatics

|June 2, 2020

Summary

This summary is machine-generated.

iSwathX 2.0 normalizes mass spectrometry data-dependent acquisition (DDA) spectral libraries for data-independent acquisition (DIA) analysis. This web application enhances proteomics data compatibility and analysis efficiency.

Keywords:

data-independent acquisition (DIA)mass spectrometry proteomics spectral libraries

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Area of Science:

Proteomics
Mass Spectrometry
Bioinformatics

Background:

Proteomics data analysis relies on spectral libraries for accurate quantification.
Data-independent acquisition (DIA) offers comprehensive proteome coverage but requires robust reference libraries.
Data-dependent acquisition (DDA) generated libraries can be heterogeneous and require normalization for effective DIA analysis.

Purpose of the Study:

To introduce iSwathX 2.0, a web application for processing and normalizing DDA-generated spectral libraries.
To enhance the compatibility of DDA libraries for targeted data extraction in DIA.
To provide efficient tools for DDA library management and DIA data analysis.

Main Methods:

Development of the iSwathX 2.0 web application.
Implementation of normalization algorithms for DDA spectral libraries.
Integration of parallel processing for large datasets.
Inclusion of data visualization modules for libraries and DIA reports.

Main Results:

iSwathX 2.0 efficiently normalizes DDA libraries from diverse instruments and acquisition times.
The application enables seamless integration of DDA libraries into DIA workflows.
Novel parallel processing functions accelerate the analysis of large-scale proteomics data.
iSwathX 2.0 provides comprehensive visualization tools for spectral libraries and DIA results.

Conclusions:

iSwathX 2.0 significantly improves the utility of DDA spectral libraries for DIA proteomics.
The application streamlines DDA library processing and enhances DIA data analysis efficiency.
iSwathX 2.0 is a valuable tool for researchers working with mass spectrometry-based proteomics data.