15003
We analyzed the effects of hemin or TPA induction on the binding and activity of transcription factors at a regulatory element found within the transcriptional regulatory sequences of many erythroid-specific genes .
 ( DNA: transcriptional regulatory sequences, None) , ( DNA: regulatory element, None) , ( DNA: erythroid-specific genes, None) , ( protein: transcription factors, 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: transcriptional regulatory sequences, None) , ( DNA: regulatory element, None) , ( DNA: erythroid-specific genes, None) , ( protein: transcription factors, None) 