4133
We tested the necessity for appropriate spatial alignment of these elements by using mutated enhancers with altered spacings.
 ( DNA: mutated enhancers, None) , ( DNA: 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: mutated enhancers, None) , ( DNA: elements, None) 