Lanning et al., J Biol Chem 2004
:
We show that the Rac1 PBR ( PVKKRKRK ) promotes Rac1 nuclear accumulation, whereas the RhoA PBR ( RRGKKKSG ) keeps RhoA in the cytoplasm
Karimzadeh et al., J Biol Chem 2012
(Breast Neoplasms) :
Furthermore, an intact PBR is required for CdGAP to inactivate Rac1 signaling into cells, whereas it is not essential in an in vitro context