9188
The suggested roles of the downstream 3' regions acting as a Locus Control Region ( LCR ), have allowed comparisons to be made between the regulation of the IgH locus with other model systems whose gene expression is governed by LCR activity .
 ( DNA: LCR, None) , ( DNA: Locus Control Region, None) , ( DNA: IgH locus, None) , ( DNA: LCR, None) , ( DNA: downstream 3#$%# regions, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( DNA: LCR, None) , ( DNA: Locus Control Region, None) , ( DNA: IgH locus, None) , ( DNA: LCR, None) , ( DNA: downstream 3#$%# regions, None) 