11627
T cells infiltrating a herpes simplex virus ( HSV ) lesion from a HLA DQ 2,7 individual yielded a virus-specific CD4+ clone restricted by DQ2 .
 ( cell type: T cells, None) , ( cell line: virus-specific CD4+ clone, None) , ( protein: DQ2, 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:
 ( cell type: T cells, None) , ( cell line: virus-specific CD4+ clone, None) , ( protein: DQ2, None) 