11475
In C57BL/10 (B10) mice , a single inoculation intraperitoneally (i.p.) led to the recognition of an immunodominant antigen in E1A .
 ( protein: immunodominant antigen, None) , ( DNA: E1A, 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: immunodominant antigen, None) , ( DNA: E1A, None) 