tokens: Transcripts from the BamHI-A region of the viral genome were detectable in all cases .
folded_tokens: transcripts from the bamhi-a region of the viral genome were detectable in all cases .
labels: O O O B-DNA_domain_or_region I-DNA_domain_or_region O O B-DNA_family_or_group I-DNA_family_or_group O O O O O O