13443
This pathway resulted in the induction of the transcription factors NF-kappa B , NF-AT , and proteins binding to the CD28 response element of the IL-2 promoter .
 ( protein: NF-AT, None) , ( DNA: IL-2 promoter, None) , ( protein: transcription factors, None) , ( protein: NF-kappa B, None) , ( protein: IL-2, None) , ( protein: CD28, 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: NF-AT, None) , ( DNA: IL-2 promoter, None) , ( protein: transcription factors, None) , ( protein: NF-kappa B, None) , ( protein: IL-2, None) , ( protein: CD28, None) 