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Bioinformatics. 2018 Nov 21. doi: 10.1093/bioinformatics/bty958. [Epub ahead of print]

ProteomicsBrowser: MS/Proteomics Data Visualization and Investigation.

Author information

Department of Biostatistics, School of Public Health, Yale University, New Haven, USA.
Department of Genetics, School of Medicine, Yale University, New Haven, USA.
Department of Psychiatry, School of Medicine, Yale University, New Haven, USA.
Department of Molecular Biophysics and Biochemistry, School of Medicine, Yale University, New Haven, USA.
MS & Proteomics Resource of Keck Biotechnology Resource Laboratory at Yale, New Haven, USA.



Large-scale, quantitative proteomics data are being generated at ever increasing rates by high-throughput, mass spectrometry technologies. However, due to the complexity of these large datasets as well as the increasing numbers of post-translational modifications (PTMs) that are being identified, developing effective methods for proteomic visualization has been challenging. ProteomicsBrowser was designed to meet this need for comprehensive data visualization. Using peptide information files exported from mass spectrometry search engines or quantitative tools as input, the peptide sequences are aligned to an internal protein database such as UniProtKB. Each identified peptide ion including those with PTMs are then visualized along the parent protein in the Browser. A unique property of ProteomicsBrowser is the ability to combine overlapping peptides in different ways to focus analysis of sequence coverage, charge state, or PTMs. ProteomicsBrowser includes other useful functions, such as a data filtering tool and basic statistical analyses to qualify quantitative data.

Availability and implementation:

ProteomicsBrowser is implemented in Java8 and is available at and

Supplementary information:

Supplementary data are available at Bioinformatics online.

[Available on 2020-07-01]

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