10618
Overexpression of BXB , a constitutive active version of c-Raf , and of further members of the Ras - Raf - Erk signal cascade exerted an increase of GABP -mediated promoter-enhancer induction .
 ( protein: Erk, None) , ( protein: Ras, None) , ( protein: Raf, None) , ( protein: BXB, None) , ( protein: GABP, None) , ( protein: c-Raf, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: Erk, None) , ( protein: Ras, None) , ( protein: Raf, None) , ( protein: BXB, None) , ( protein: GABP, None) , ( protein: c-Raf, None) 