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FLJ00018/PLEKHG2 is a guanine nucleotide exchange factor for the Rho family small GTPases. FLJ00018 is directly activated by heterotrimeric G protein Gβγ subunits. Using two-hybrid screening, we have identified non-muscle cytosolic actin as a binding partner of FLJ00018. We found that there were two actin-binding regions in FLJ00018 at the N-terminal region (150–283 amino acids) and at the C-terminal...
The presence of actin in the nucleus as well as its functions in various nuclear processes has been made clear in the past few years. Actin is known to be a part of chromatin-remodeling complexes BAF, which are required for maximal ATPase activity of the Brg1 component of the BAF complex. Moreover, the essential roles of actin in transcription mediated by RNA polymerases I, II and III have been demonstrated...
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