396
In addition, the Ah receptor complex recognized a DNA binding site for B cell lineage-specific activator protein ( BSAP ) in the promoter region of the human CD19 gene which is similar to the consensus Ah receptor DNA binding site .
 ( DNA: DNA binding site, None) , ( protein: Ah receptor, None) , ( protein: B cell lineage-specific activator protein, None) , ( DNA: CD19 gene, None) , ( protein: Ah receptor complex, None) , ( protein: BSAP, None) , ( DNA: promoter region, None) , ( DNA: consensus Ah receptor DNA binding site, None) , ( DNA: DNA binding site, None) , ( protein: Ah receptor, 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: Ah receptor, None) , ( protein: B cell lineage-specific activator protein, None) , ( DNA: CD19 gene, None) , ( protein: Ah receptor complex, None) , ( protein: BSAP, None) , ( DNA: promoter region, None) , ( DNA: consensus Ah receptor DNA binding site, None) , ( DNA: DNA binding site, None) , ( protein: Ah receptor, None) 