ProtView: A versatile tool for in silico protease evaluation and selection in a proteomic and proteogenomic context

Sophia S. Puliasis, Dominika Lewandowska, Piers A. Hemsley, Runxuan Zhang (Lead / Corresponding author)

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Abstract

Many tools have been created to generate in silico proteome digests with different protease enzymes and provide useful information for selecting optimal digest schemes for specific needs. This can save on time and resources and generate insights on the observable proteome. However, there remains a need for a tool that evaluates digest schemes beyond protein and amino acid coverages in the proteomic domain. Here, we present ProtView, a versatile in silico protease combination digest evaluation workflow that maps in silico-digested peptides to both protein and genome references, so that the potential observable portions of the proteome, transcriptome, and genome can be identified. The proteomic identification and quantification of evidence for transcriptional, co-transcriptional, post-transcriptional, translational, and post-translational regulation can all be examined in silico with ProtView prior to an experiment. Benchmarking against biological data comparing multiple proteases shows that ProtView can correctly estimate performances among the digest schemes. ProtView provides this information in a way that is easy to interpret, allowing for digest schemes to be evaluated before carrying out an experiment, in context that can optimize both proteomic and proteogenomic experiments. ProtView is available at https://github.com/SSPuliasis/ProtView.

Original languageEnglish
Article number7
Pages (from-to)2400-2410
Number of pages11
JournalJournal of Proteome Research
Volume22
Issue number7
Early online date29 May 2023
DOIs
Publication statusPublished - 7 Jul 2023

Keywords

  • protease
  • in silico digestion
  • digest
  • enzyme

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