14910
This sequence element was referred to as the BAT box and its deletion significantly reduced the activity of a CD20 promoter-CAT construct in B cells.
 ( DNA: BAT box, None) , ( DNA: sequence element, 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: BAT box, None) , ( DNA: sequence element, None) 