9508
Here we report a real-time study of factor/DNA interactions using a surface plasmon resonance approach and further characterization of recovered proteins involved in this interaction.
 ( protein: recovered proteins, 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: recovered proteins, None) 