tokens: Productive human immunodeficiency virus type 1 ( HIV-1 ) infection causes sustained NF-kappaB DNA-binding activity in chronically infected monocytic cells .
folded_tokens: productive human immunodeficiency virus type 1 ( hiv-1 ) infection causes sustained nf-kappab dna-binding activity in chronically infected monocytic cells .
labels: O B-virus I-virus I-virus I-virus I-virus O O O O O O B-protein_complex O O O O O O O O