12514
However, it was only the IL-2 promoter whose activation by Tpl-2 was fully blocked by the dominant negative mutant MEK1S218/222A and the MEK1/MEK2 inhibitor PD098059 .
 ( protein: Tpl-2, None) , ( protein: IL-2, None) , ( protein: dominant negative mutant MEK1S218/222A, None) , ( protein: MEK1S218/222A, 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: Tpl-2, None) , ( protein: IL-2, None) , ( protein: dominant negative mutant MEK1S218/222A, None) , ( protein: MEK1S218/222A, None) , ( DNA: IL-2 promoter, None) 