8518
In an attempt to find such elusive Oct2 target genes and to understand the molecular function of Oct2 in B cell development , we isolated cDNAs for Oct2 target genes .
 ( DNA: target genes, None) , ( protein: Oct2, None) , ( DNA: target genes, None) , ( protein: Oct2, None) , ( protein: Oct2, None) , ( DNA: cDNAs, 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: target genes, None) , ( protein: Oct2, None) , ( DNA: target genes, None) , ( protein: Oct2, None) , ( protein: Oct2, None) , ( DNA: cDNAs, None) 