tokens: These results indicate that defective recruitment of NF-kappa B may underlie Nef 's negative transcriptional effects on the HIV-1 and interleukin 2 promoters .
folded_tokens: these results indicate that defective recruitment of nf-kappa b may underlie nef 's negative transcriptional effects on the hiv-1 and interleukin 2 promoters .
labels: O O O O O O O B-protein_molecule I-protein_molecule O O B-protein_molecule O O B-other_name I-other_name O O O O O O O O