14979
The E2A gene encodes transcription factors of the helix-loop-helix family that are implicated in cell-specific gene expression as part of dimeric complexes that interact with E box enhancer elements .
 ( protein: dimeric complexes, None) , ( protein: helix-loop-helix family, None) , ( protein: transcription factors, None) , ( DNA: E box, None) , ( DNA: E box enhancer elements, None) , ( DNA: E2A gene, 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: dimeric complexes, None) , ( protein: helix-loop-helix family, None) , ( protein: transcription factors, None) , ( DNA: E box, None) , ( DNA: E box enhancer elements, None) , ( DNA: E2A gene, None) 