5299
In this study we present a deletion analysis of the N-terminal region of Oct-2a to determine the minimal repression domain .
 ( protein: Oct-2a, None) , ( protein: N-terminal region, None) , ( protein: minimal repression domain, 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:
 ( protein: Oct-2a, None) , ( protein: N-terminal region, None) , ( protein: minimal repression domain, None) 