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. 2013 Mar 7;8(3):e57865. doi: 10.1371/journal.pone.0057865

Figure 5. Endogenous srGAP2 has a weak RhoGAP activity towards Rac1.

Figure 5

A. RhoGAP pull-down assay by GST-CA Cdc42, Rac1 and RhoA was used to precipitate three GFP-tagged srGAPs (WT) and their RhoGAP mutants (RA) in transfected HEK293T cells. P190A RhoGAP was selected as a positive control. B. RhoGAP pull-down assay was performed to precipitate endogenous srGAP2 in Neuro2a cells. The amount of GST-fusion protein used in the assay was revealed by naphthol blue black staining (lower). C. RhoGAP pull-down assay was performed to precipitate endogenous srGAP1-3 from P15 rat cerebral cortex.