5039
Genetic characterization of transactivation of the human T-cell leukemia virus type 1 promoter : Binding of Tax to Tax -responsive element 1 is mediated by the cyclic AMP-responsive members of the CREB/ATF family of transcription factors.
 ( protein: Tax, None) , ( protein: cyclic AMP-responsive members, None) , ( DNA: human T-cell leukemia virus type 1 promoter, None) , ( protein: CREB/ATF family, None) , ( DNA: Tax -responsive element 1, None) , ( protein: Tax, 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: Tax, None) , ( protein: cyclic AMP-responsive members, None) , ( DNA: human T-cell leukemia virus type 1 promoter, None) , ( protein: CREB/ATF family, None) , ( DNA: Tax -responsive element 1, None) , ( protein: Tax, None) 