14576
DNA sequence homology of E1A genes between different Ad groups ( group A , Ad12 ; group C , Ad5 ) is limited almost entirely to three conserved regions located within the first exon of E1A .
 ( DNA: E1A, 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:
 ( DNA: E1A, None) , ( DNA: E1A, None) 