5377
More is known regarding signal transduction events that occur after ligation of the T-cell antigen receptor ( TCR ).
 ( protein: T-cell antigen receptor, None) , ( protein: TCR, 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: T-cell antigen receptor, None) , ( protein: TCR, None) 