12816
An 81% increment in promoter activity was obtained when a mutation was introduced in the GATA-3 binding site of the bp -267 to +12 construct , which is comparable to that of the bp -245 to +12 construct .
 ( DNA: bp -245 to +12 construct, None) , ( DNA: GATA-3 binding site, None) , ( protein: GATA-3, None) , ( DNA: bp -267 to +12 construct, 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: bp -245 to +12 construct, None) , ( DNA: GATA-3 binding site, None) , ( protein: GATA-3, None) , ( DNA: bp -267 to +12 construct, None) 