1599
The single promoter region in the cloned genome [Noteborn et al., J. Virol. 65 (1991) 3131-3139] of chicken anemia virus ( CAV ) in chicken T-cells was analysed via CAT assays .
 ( DNA: promoter region, None) , ( cell type: chicken T-cells, None) , ( protein: CAT, 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: promoter region, None) , ( cell type: chicken T-cells, None) , ( protein: CAT, None) 