14907
The CD20(B1) gene encodes a B cell-specific protein involved in the regulation of human B cell proliferation and differentiation .
 ( protein: B cell-specific protein, None) , ( DNA: CD20(B1) gene, 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: B cell-specific protein, None) , ( DNA: CD20(B1) gene, None) 