8924
IL-12 induced STAT4 and IL-2 and IL-15 induced STAT5 binding to the GAS elements .
 ( protein: STAT5, None) , ( protein: IL-15, None) , ( protein: IL-12, None) , ( protein: STAT4, None) , ( DNA: GAS elements, 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: STAT5, None) , ( protein: IL-15, None) , ( protein: IL-12, None) , ( protein: STAT4, None) , ( DNA: GAS elements, None) , ( protein: IL-2, None) 