14441
Five patients were found with repeated maximal responses to adenovirus antigen ; in one of these adenovirus nucleotide sequences were present in a synovial biopsy specimen .
 ( protein: adenovirus antigen, None) , ( DNA: adenovirus nucleotide sequences, 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: adenovirus antigen, None) , ( DNA: adenovirus nucleotide sequences, None) 