13501
In Jurkat cells , transcription from the NFAT site of the IL-2 promoter is activated strongly by NFATx1 but only weakly by NFATx2 .
 ( protein: NFATx1, None) , ( cell line: Jurkat cells, None) , ( DNA: NFAT site, None) , ( protein: NFATx2, None) , ( DNA: IL-2 promoter, 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: NFATx1, None) , ( cell line: Jurkat cells, None) , ( DNA: NFAT site, None) , ( protein: NFATx2, None) , ( DNA: IL-2 promoter, None) 