1827
In electromobility shift assays both NF-kappa B ( P65 or P65/P50 heterodimer ) and NF-AT bound to the P sequence .
 ( protein: NF-kappa B, None) , ( protein: P65/P50 heterodimer, None) , ( protein: NF-AT, None) , ( DNA: P sequence, None) , ( protein: P65, 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: NF-kappa B, None) , ( protein: P65/P50 heterodimer, None) , ( protein: NF-AT, None) , ( DNA: P sequence, None) , ( protein: P65, None) 