3487
This mutant inhibited TCR -induced activation of nuclear factor of activated T cells by interfering with both intracellular calcium increase and Ras -regulated activation of extracellular signal-regulated kinases .
 ( cell type: T cells, None) , ( protein: nuclear factor of activated T cells, None) , ( protein: TCR, None) , ( cell type: activated T cells, None) , ( protein: Ras, None) , ( protein: extracellular signal-regulated kinases, 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:
 ( cell type: T cells, None) , ( protein: nuclear factor of activated T cells, None) , ( protein: TCR, None) , ( cell type: activated T cells, None) , ( protein: Ras, None) , ( protein: extracellular signal-regulated kinases, None) 