11357
The results described here indicate that cognate interaction of B cells recognizing DNA or DNA-associated proteins and T cells recognizing T antigen had taken place as a consequence of complex formation between T ag and DNA in vivo in the context of polyomavirus reactivations .
 ( protein: T antigen, None) , ( cell type: T cells, None) , ( protein: DNA-associated proteins, None) , ( protein: T ag, None) , ( DNA: DNA, 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 antigen, None) , ( cell type: T cells, None) , ( protein: DNA-associated proteins, None) , ( protein: T ag, None) , ( DNA: DNA, None) 