5065
Oligonucleotides containing the IL-13 or IL-4 P element sites specifically bound the transcriptional activator protein , nuclear factor-activated T cells , preformed ( NF-ATp ), when incubated with nuclear protein extracts from activated T cells .
 ( protein: transcriptional activator protein, None) , ( DNA: IL-4 P element sites, None) , ( protein: IL-13, None) , ( cell type: T cells, None) , ( protein: IL-4, None) , ( protein: nuclear factor-activated T cells, None) , ( protein: NF-ATp, None) , ( cell type: activated T cells, 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: transcriptional activator protein, None) , ( DNA: IL-4 P element sites, None) , ( protein: IL-13, None) , ( cell type: T cells, None) , ( protein: IL-4, None) , ( protein: nuclear factor-activated T cells, None) , ( protein: NF-ATp, None) , ( cell type: activated T cells, None) 