5264
In situ hybridization to viral DNA and immunocytochemistry for Ad5 E1A protein localized the virus to airway and alveolar epithelial cells .
 ( DNA: viral DNA, None) , ( cell type: alveolar epithelial cells, None) , ( protein: E1A protein, 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: viral DNA, None) , ( cell type: alveolar epithelial cells, None) , ( protein: E1A protein, None) 