3658
Whereas AP-1 , NF-kappa B, Oct , CREB and SP1 displayed normal binding activities in nuclear extracts , the binding of NF-AT to its IL-2 promoter response element was barely detectable both before and after T cell stimulation .
 ( protein: AP-1, None) , ( protein: NF-AT, None) , ( protein: Oct, None) , ( protein: CREB, None) , ( protein: IL-2, None) , ( protein: SP1, 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: AP-1, None) , ( protein: NF-AT, None) , ( protein: Oct, None) , ( protein: CREB, None) , ( protein: IL-2, None) , ( protein: SP1, None) 