9890
The POU transcription factors Oct-1 and Oct-2 regulate the activity of octamer-dependent promoters , including those that direct transcription from rearranged immunoglobulin genes .
 ( protein: Oct-2, None) , ( protein: immunoglobulin genes, None) , ( protein: POU transcription factors, None) , ( DNA: octamer-dependent promoters, None) , ( protein: Oct-1, 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, None) , ( protein: immunoglobulin genes, None) , ( protein: POU transcription factors, None) , ( DNA: octamer-dependent promoters, None) , ( protein: Oct-1, None) 