Immunoaffinity Purification of Epitope-Tagged DNA Repair Complexes from Human Cells

Brittany A. Townley, Jennifer M. Soll, Nima Mosammaparast

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

Immunoaffinity purification allows for the purification of epitope-tagged proteins and their associated multisubunit complexes from mammalian cells. Subsequent identification of the proteins by proteomic analysis enables unbiased biochemical characterization of their associated partners, potentially revealing the physiological or functional context of any given protein. Here, we use immunoaffinity isolation of the Activating Signal Co-integrator Complex (ASCC) from human cells as an example, demonstrating the utility of the approach in revealing protein complexes involved in genotoxic stress responses.

Original languageEnglish
Title of host publicationMethods in Molecular Biology
PublisherHumana Press Inc.
Pages29-41
Number of pages13
DOIs
StatePublished - 2022

Publication series

NameMethods in Molecular Biology
Volume2444
ISSN (Print)1064-3745
ISSN (Electronic)1940-6029

Keywords

  • ASCC
  • Mass spectrometry
  • Protein purification

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