Function
Guanine nucleotide exchange factor which activates Rho GTPases (PubMed:19713215, PubMed:21525037). Strongly activates RHOA (PubMed:19713215, PubMed:21525037). Also strongly activates RHOB, weakly activates RHOC and RHOG and shows no effect on RHOD, RHOV, RHOQ or RAC1 (PubMed:19713215). Involved in regulation of cell shape and actin cytoskeletal organization (PubMed:21525037). Plays a role in actin organization by generating a loss of actin stress fibers and the formation of membrane ruffles and filopodia (By similarity). Required for SRC-induced podosome formation (PubMed:21525037). Involved in positive regulation of immature dendritic cell migration (PubMed:19713215).
Sequence
MEAEEPEYGVSTEVPDIEELKTIPEGIMRSSQIPALDPEAQEDRDPSYKWTDGHRPVMNQSKVLRDMGDHTPNSMAIFFKKESSDMETSQEILLAEACNTPDQQEAVIQSLKDRLSRTIAAPELLACAVQEEWLDIPSKLDNRVGAELQSELMSLTLAVSKEKEEEETSPDTSIPRGSWPPCKTHPGETEQTQGSGSELLRQGKQLQLEATQENQGQEGFLQSQEAQGLEEQEGQEVEIQEEGTLNEGICFGGLLGEQEEVEEGFNGNEEEQKQGQIQSYMLLGGQWENEGLSGELEGLNYSERGQENRERRVWVLRDSEEEGQDQESREVEERRVATQYTENQRLVEKSEIVKRKQRDHDQTGKVMPVRDQKEVVDSGDRVQGNGDSGGQTAVEGSRPGEDSKPSLPVASVDPEVLSPGTLFPGISSSVADIPQIQKEPVCEELSPQAPALEPTEWSHQPISPPASFAPEESLDNRTHNSQQEEFRLRKGIEVVSASTSVAPSGTRDSPPFSPPNVFSSTATLSPVSSSVILPEETPTASASADTPHHCGPCETPPLPAKSSRYPCATSDTANPHSPLSSYTGVTQHLRSNSFPGSHRTEQTPDSLGMSLSFSHLELPQRPPKPAIYGSLTPRRNRRSRDGIVFSDSSTALFALKQDSEEFTSNPERPSSPHGSPTWGSPQNSAFAIGSPANVSSPPTVSMDMTIREALLPIPPEKRHSYSHIVERDGLLHEVASTLKRHSHPPPLTLSSGLHRSSKGSFSLVPDSTVARQHRPLPSTPESPNHTQTSIPSRLRYNKPLPPTPDMPEFYHPSISSSYISRMYRPLPPVPIIDPSSEPPPLPPKSRGRSKSIQGGVIHSGGQAKPRPNNQDWTASTLSVGRTSWPPATGRSTESLPLTSRCNNEVSPGLAFSNMTNLLSPSSPTTPWIPDLQRPTTKDESGLTEESEPPVRGSFRRSAPQEEFNNTRRSALGSRKNSEKPLHHQLEKASSWPHRRDPARTSESSSEQVVLGQVPNKQKGWNRQGLRRPSILPESSSDLRNPAAGRLPGSSDSVVFREKKPKEGMGGFSRRCSKLISSQLLYQEYSDVVLNKEIQSQQRLDSLAEPHGLSSPRHRRKALVSSDSYLQRLSMASSGSLWQEIPVVRNSTVLLSMTHEDQKLQEAKFELIVSEASYLRSLNIAVDHFQHSAQLRGTLSNQDHQWLFSRLQDVRDVSTTFLSDLEENFENNIFSFQVCDVVLNHAADFHRVYLPYVTNQTYQERTFQSLMNSNSSFREVLEKLESDPICQRLSLKSFLILPFQRITRLKLLLQNILKRTQPGSSEEAEATKAHHALEKLIRDCNSNVQRMRRTEELIYLSQKIEFECKIFPLISQSRWLVKSGELTALEFSVSPGLRRKLTTRPVHLHLFNDCLLLSRPREGSRFLVFDHAPFSSIRGEKCEMKLHGPHKNLFRLFLLHNAQGTQVEFLFRTETQSEKLRWISALAMPREELDLLECYDSPQVQCLRAYKPRENDELALEKADVVMVTQQSSDGWLEGVRLSDGEQGWFPVQQVEFISNPEVRAQNLKEAHRVKTAKLQLVEQQV