6693
IL-2 induced the DNA binding activity of STAT3 and STAT5 of a HTLV-1 -transformed cell line and then stimulated its proliferation.
 ( protein: IL-2, None) , ( protein: STAT3, None) , ( protein: STAT5, 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: IL-2, None) , ( protein: STAT3, None) , ( protein: STAT5, None) 