12695
The major focus of this research is to define the cis -acting elements which are required for the formation of these domains of unique chromatin structure .
 ( DNA: chromatin structure, None) , ( DNA: cis -acting elements, 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: chromatin structure, None) , ( DNA: cis -acting elements, None) 