7304
Moreover, the effects of rapamycin on, and the role of p70(s6k) in, IL-2 and PI 3-kinase activation of E2Fs have not been characterized.
 ( protein: E2Fs, None) , ( protein: p70(s6k), None) , ( protein: PI 3-kinase, 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:
 ( protein: E2Fs, None) , ( protein: p70(s6k), None) , ( protein: PI 3-kinase, None) , ( protein: IL-2, None) 