12809
Expression of an active form of Ras , Ras(G12V) , suppressed the IL-2 -induced beta-casein and OSM gene expression , and the negative effect of Ras is mediated by the region between -105 and -193 in the beta-casein promoter .
 ( DNA: beta-casein promoter, None) , ( protein: beta-casein, None) , ( protein: beta-casein, None) , ( protein: OSM, None) , ( protein: Ras(G12V), None) , ( DNA: -105 and -193, None) , ( protein: Ras, None) , ( protein: Ras, None) , ( protein: IL-2, 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:
 ( DNA: beta-casein promoter, None) , ( protein: beta-casein, None) , ( protein: beta-casein, None) , ( protein: OSM, None) , ( protein: Ras(G12V), None) , ( DNA: -105 and -193, None) , ( protein: Ras, None) , ( protein: Ras, None) , ( protein: IL-2, None) 