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Nucleotide sequence and PCR analyses demonstrated the presence of novel duplications or deletions involving the NF-kappa B motif .
 DNA: Nucleotide sequence; protein: NF-kappa B; DNA: NF-kappa B motif
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: Nucleotide sequence; protein: NF-kappa B; DNA: NF-kappa B motif