15001
Suppression of a cellular differentiation program by phorbol esters coincides with inhibition of binding of a cell-specific transcription factor ( NF-E2 ) to an enhancer element required for expression of an erythroid-specific gene .
 ( protein: NF-E2, None) , ( DNA: erythroid-specific gene, None) , ( DNA: enhancer element, None) , ( protein: cell-specific transcription factor, 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: NF-E2, None) , ( DNA: erythroid-specific gene, None) , ( DNA: enhancer element, None) , ( protein: cell-specific transcription factor, None) 