1455
Thus, OBF-1 has all the properties expected for a B cell-specific transcriptional coactivator protein .
 ( protein: OBF-1, None) , ( protein: B cell-specific transcriptional coactivator protein, 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: OBF-1, None) , ( protein: B cell-specific transcriptional coactivator protein, None) 