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Large-scale Top-down Proteomics Using Capillary Zone Electrophoresis Tandem Mass Spectrometry
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JoVE Journal Chemistry
Large-scale Top-down Proteomics Using Capillary Zone Electrophoresis Tandem Mass Spectrometry

Large-scale Top-down Proteomics Using Capillary Zone Electrophoresis Tandem Mass Spectrometry

DOI:
10.3791/58644-v

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10:05 min

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October 24, 2018

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, , , , ,
1Department of Chemistry,Michigan State University, 2Department of BioHealth Informatics,Indiana University-Purdue University Indianapolis, 3Center for Computational Biology and Bioinformatics,Indiana University School of Medicine

Chapters

  • 00:04Title
  • 00:27Etching of the Capillary with Hydrofluoric Acid
  • 02:04Set-up of the CZE-MS/MS System and Analysis of the Samples
  • 06:45Database Search of the Collected Raw Files with the TopPIC Software
  • 08:05Results: Identification and Characterization of Proteoforms
  • 09:14Conclusion

Summary

Automatic Translation

Automatic Translation

A detailed protocol is described for the separation, identification, and characterization of proteoforms in protein samples using capillary zone electrophoresis-electrospray ionization-tandem mass spectrometry (CZE-ESI-MS/MS). The protocol can be used for the high-resolution characterization of proteoforms in simple protein samples and the large-scale identification of proteoforms in complex proteome samples.

Tags

Keywords: ProteomicsCapillary Zone ElectrophoresisMass SpectrometryProtein IsoformsProtein Post-translational ModificationsSample PreparationCapillary CoatingCapillary EtchingCZE System Setup

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