PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15649357-5 2005 RESULTS: We show that the binding of activated Cdc42 to the Cool-2 dimer markedly enhances its ability to associate with GDP bound Rac1, resulting in a significant activation of Rac-GEF activity. Guanosine Diphosphate 121-124 cell division cycle 42 Homo sapiens 47-52