tokens: Rex , the post-transcriptional regulator of human T-cell leukemia virus type I ( HTLV-I ) , is known to induce accumulation of the unspliced viral gag-pol mRNA .
folded_tokens: rex , the post-transcriptional regulator of human t-cell leukemia virus type i ( htlv-i ) , is known to induce accumulation of the unspliced viral gag-pol mrna .
labels: B-protein_molecule O O B-protein_family_or_group I-protein_family_or_group O B-virus I-virus I-virus I-virus I-virus I-virus O B-virus O O O O O O O O O B-RNA_molecule I-RNA_molecule I-RNA_molecule I-RNA_molecule O