4715
Expression of MEK1 -interfering mutants inhibited the stimulation of IL-2 promoter -driven transcription and blocked the ability of constitutively active Ras and Raf-1 to costimulate NF-AT activity with a calcium ionophore .
 ( protein: Ras, None) , ( protein: MEK1 -interfering mutants, None) , ( protein: NF-AT, None) , ( protein: MEK1, None) , ( DNA: IL-2 promoter, None) , ( protein: Raf-1, None) , ( protein: IL-2, 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: Ras, None) , ( protein: MEK1 -interfering mutants, None) , ( protein: NF-AT, None) , ( protein: MEK1, None) , ( DNA: IL-2 promoter, None) , ( protein: Raf-1, None) , ( protein: IL-2, None) 