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Selection of optimal kappa B/Rel DNA-binding motifs : interaction of both subunits of NF-kappa B with DNA is required for transcriptional activation .
 DNA: kappa B/Rel DNA-binding motifs; protein: NF-kappa B
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 DNA: kappa B/Rel DNA-binding motifs; protein: NF-kappa B