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Mass Spectrometry-Based Proteomics Analyses Using the OpenProt Database to Unveil Novel Proteins Translated from Non-Canonical Open Reading Frames
JoVE Journal
Genetics
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JoVE Journal Genetics
Mass Spectrometry-Based Proteomics Analyses Using the OpenProt Database to Unveil Novel Proteins Translated from Non-Canonical Open Reading Frames

Mass Spectrometry-Based Proteomics Analyses Using the OpenProt Database to Unveil Novel Proteins Translated from Non-Canonical Open Reading Frames

DOI:
10.3791/59589-v

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07:38 min

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April 11, 2019

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,
1Department of Biochemistry,Université de Sherbrooke, 2PROTEO,Quebec Network for Research on Protein Function, Structure, and Engineering

Chapters

  • 00:04Title
  • 00:52OpenProt Database Download
  • 01:53Database Handling
  • 02:41Mass Spectrometry File Preparation
  • 03:13Protein Quantification
  • 04:13Quality Control and OpenProt Database Mining
  • 05:25Results: Representative Interactor and Mass Spectrometry Identification of a Novel Protein
  • 06:40Conclusion

Summary

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OpenProt is a freely accessible database that enforces a polycistronic model of eukaryotic genomes. Here, we present a protocol for the use of OpenProt databases when interrogating mass spectrometry datasets. Using OpenProt database for analysis of proteomic experiments allows for discovery of novel and previously undetectable proteins.

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Keywords: Mass SpectrometryProteomicsOpenProt DatabaseNon-canonical Open Reading FramesNovel ProteinsProteomeProteomic AnalysesDatabase HandlingMS Convert ToolMzML File Format

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