4154
However, subsequent analysis of transcription factor generation revealed that B7 stimulation induced both activator protein-1 ( AP-1 ) and nuclear factor-kappaB ( NF-kappaB ) complexes , but not NF-AT .
 ( protein: transcription factor, None) , ( protein: NF-AT, None) , ( protein: activator protein-1, None) , ( protein: nuclear factor-kappaB ( NF-kappaB ) complexes, None) , ( protein: nuclear factor-kappaB, None) , ( protein: NF-kappaB, None) , ( protein: AP-1, 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: transcription factor, None) , ( protein: NF-AT, None) , ( protein: activator protein-1, None) , ( protein: nuclear factor-kappaB ( NF-kappaB ) complexes, None) , ( protein: nuclear factor-kappaB, None) , ( protein: NF-kappaB, None) , ( protein: AP-1, None) 