5105
However, in the presence of PML-RAR , the synthetic retinoid is a much better transactivator of retinoic acid -responsive element-containing promoters than the natural retinoid , whereas, in the presence of RAR alpha , AM580 and ATRA have similar activity.
 ( protein: RAR alpha, None) , ( protein: PML-RAR, None) , ( DNA: retinoic acid -responsive element-containing promoters, 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: RAR alpha, None) , ( protein: PML-RAR, None) , ( DNA: retinoic acid -responsive element-containing promoters, None) 