tokens: Nucleotide sequence and PCR analyses demonstrated the presence of novel duplications or deletions involving the NF-kappa B motif .
folded_tokens: nucleotide sequence and pcr analyses demonstrated the presence of novel duplications or deletions involving the nf-kappa b motif .
labels: B-DNA_N/A I-DNA_N/A O B-other_name I-other_name O O O O O O O O O O B-protein_molecule I-protein_molecule O O