14506
Additionally, the region between bases -107 and -59 of the IL3 promoter containing putative AP-2 and Sp1 binding motifs appears necessary for basal level expression of the IL3 gene.
 ( DNA: IL3 promoter, None) , ( protein: IL3, None) , ( protein: IL3, None) , ( DNA: -107 and -59, 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: IL3 promoter, None) , ( protein: IL3, None) , ( protein: IL3, None) , ( DNA: -107 and -59, None) 