5047
To identify cellular proteins binding to TRE-1 in a Tax -dependent manner , this strain was also used to screen a library of human cDNAs fused to GAD .
 ( protein: Tax, None) , ( DNA: human cDNAs, None) , ( protein: GAD, None) , ( protein: cellular proteins, None) , ( DNA: TRE-1, 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) , ( DNA: human cDNAs, None) , ( protein: GAD, None) , ( protein: cellular proteins, None) , ( DNA: TRE-1, None) 