2626
In addition, a new combination isoform containing Oct2a 's amino terminal insert ( exon 7a ) and Oct2b 's carboxy terminal insert ( exon 13 ) was found that created a novel large isoform, Oct2ab .
 ( DNA: exon 7a, None) , ( protein: Oct2b #$%#s carboxy terminal insert, None) , ( protein: Oct2b, None) , ( protein: Oct2a, None) , ( protein: Oct2ab, None) , ( protein: Oct2a #$%#s amino terminal insert, None) , ( DNA: exon 13, 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: exon 7a, None) , ( protein: Oct2b #$%#s carboxy terminal insert, None) , ( protein: Oct2b, None) , ( protein: Oct2a, None) , ( protein: Oct2ab, None) , ( protein: Oct2a #$%#s amino terminal insert, None) , ( DNA: exon 13, None) 