4540
Finally, a novel positive regulatory element has been mapped in the IL-3 promoter between nucleotide -180 and -210 that leads to increased expression in T cells .
 ( DNA: IL-3 promoter, None) , ( cell type: T cells, None) , ( DNA: positive regulatory element, None) , ( protein: IL-3, 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: IL-3 promoter, None) , ( cell type: T cells, None) , ( DNA: positive regulatory element, None) , ( protein: IL-3, None) 