Analysis of activated GAPs and GEFs in cell lysates

Rafael García-Mata, Krister Wennerberg, William T Arthur, Nicole K Noren, Shawn M Ellerbroek, Keith Burridge

146 Citations (Scopus)

Abstract

An assay was developed that allows the precipitation of the active pools of Rho-GEFs, Rho-GAPs, or effectors from cell or tissue lysates. This assay can be used to identify GEFs, GAPs, and effectors involved in specific cellular pathways to determine their GTPase specificity and to monitor the temporal activation of GEFs and GAPs in response to upstream signals.

Original languageEnglish
Book seriesMethods in Enzymology
Volume406
Pages (from-to)425-37
Number of pages13
ISSN0076-6879
DOIs
Publication statusPublished - 2006
Externally publishedYes

Keywords

  • Animals
  • CHO Cells
  • Cricetinae
  • GTPase-Activating Proteins/metabolism
  • Glutathione Transferase/genetics
  • Guanine Nucleotide Exchange Factors/metabolism
  • Humans
  • Mice
  • NIH 3T3 Cells
  • Recombinant Fusion Proteins/metabolism
  • rho GTP-Binding Proteins/genetics

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