1901
Characterization of NF(P) , the nuclear factor that interacts with the regulatory P sequence ( 5'-CGAAAATTTCC-3' ) of the human interleukin-4 gene : relationship to NF-kappa B and NF-AT .
 ( protein: nuclear factor, None) , ( protein: NF-kappa B, None) , ( DNA: P sequence, None) , ( protein: NF(P), None) , ( DNA: human interleukin-4 gene, None) , ( protein: NF-AT, 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: nuclear factor, None) , ( protein: NF-kappa B, None) , ( DNA: P sequence, None) , ( protein: NF(P), None) , ( DNA: human interleukin-4 gene, None) , ( protein: NF-AT, None) 