1654
In addition, several novel KRAB-containing zinc finger genes and a novel conserved sequence element were identified.
 ( DNA: KRAB-containing zinc finger genes, None) , ( DNA: conserved 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: KRAB-containing zinc finger genes, None) , ( DNA: conserved sequence element, None) 