5367
In this study, we used the T-cell-activating superantigen staphylococcal enterotoxin A ( SEA ) to investigate molecular mechanisms of T-lymphocyte anergy in vivo.
 ( protein: staphylococcal enterotoxin A, None) , ( protein: SEA, None) , ( protein: T-cell-activating superantigen, 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: staphylococcal enterotoxin A, None) , ( protein: SEA, None) , ( protein: T-cell-activating superantigen, None) 