1069
The NFATd element , which binds the transcription factor NFAT-1 and is very active in T cells , is only weakly active in one B clone and not at all in another.
 ( DNA: NFATd element, None) , ( protein: NFAT-1, None) , ( cell type: T cells, None) , ( cell line: B clone, None) , ( protein: transcription factor, 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:
 ( DNA: NFATd element, None) , ( protein: NFAT-1, None) , ( cell type: T cells, None) , ( cell line: B clone, None) , ( protein: transcription factor, None) 