11715
The Syk -mediated T cell antigen receptor -induced MAPK activation was detectable within 1 min of receptor stimulation and peaked at 3-5 min.
 ( protein: Syk, None) , ( protein: T cell antigen receptor, None) , ( protein: MAPK, 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: Syk, None) , ( protein: T cell antigen receptor, None) , ( protein: MAPK, None) 