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

DOI :

10.3791/58644-v

October 24th, 2018

October 24th, 2018

8,831 Views

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

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.

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