397
These results suggest that the AhR could interfere with BSAP -stimulated CD19 gene transcription by competition for a common DNA binding site .
 ( DNA: DNA binding site, None) , ( protein: BSAP, None) , ( DNA: CD19 gene, None) , ( protein: AhR, 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:
 ( DNA: DNA binding site, None) , ( protein: BSAP, None) , ( DNA: CD19 gene, None) , ( protein: AhR, None) 