12315
Restoration of the CCAAT box or insertion of an erythroid Kruppel-like factor (EKLF) binding site in the delta promoter activates its expression in several erythroid cell lines .
 ( DNA: CCAAT box, None) , ( DNA: erythroid Kruppel-like factor (EKLF) binding site, None) , ( cell line: erythroid cell lines, None) , ( DNA: delta promoter, 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: CCAAT box, None) , ( DNA: erythroid Kruppel-like factor (EKLF) binding site, None) , ( cell line: erythroid cell lines, None) , ( DNA: delta promoter, None) 