12173
A novel transcription factor regulates expression of the vacuolar H+-ATPase B2 subunit through AP-2 sites during monocytic differentiation .
 ( protein: H+-ATPase B2 subunit, None) , ( protein: vacuolar H+-ATPase B2 subunit, None) , ( protein: transcription factor, None) , ( DNA: AP-2 sites, 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: H+-ATPase B2 subunit, None) , ( protein: vacuolar H+-ATPase B2 subunit, None) , ( protein: transcription factor, None) , ( DNA: AP-2 sites, None) 