2244
The promoter sequence analysis of these two genes revealed that they are embedded within a CpG island and share structural features often found in the promoters of housekeeping genes .
 ( DNA: promoters, None) , ( DNA: CpG island, None) , ( DNA: housekeeping genes, 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: promoters, None) , ( DNA: CpG island, None) , ( DNA: housekeeping genes, None) 