11707
Using this assay, we also showed that Pax-5d was present in nuclear extracts of some (but not all) B-lymphoid lines and interacts with the B-cell-specific activator protein-binding site .
 ( cell line: B-lymphoid lines, None) , ( protein: Pax-5d, None) , ( DNA: B-cell-specific activator protein-binding site, 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:
 ( cell line: B-lymphoid lines, None) , ( protein: Pax-5d, None) , ( DNA: B-cell-specific activator protein-binding site, None) 