4083
The Oct-2 transcription factor is a member of the POU (Pit-Oct-Unc) family of transcription factors and is expressed only in B lymphocytes and in neuronal cells but not in other cell types.
 ( protein: Oct-2 transcription factor, None) , ( cell type: neuronal cells, None) , ( cell type: B lymphocytes, None) , ( protein: transcription factors, None) , ( protein: POU (Pit-Oct-Unc) family, 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-2 transcription factor, None) , ( cell type: neuronal cells, None) , ( cell type: B lymphocytes, None) , ( protein: transcription factors, None) , ( protein: POU (Pit-Oct-Unc) family, None) 