tokens: CONCLUSIONS : MZF-1 and MZF-2 mRNAs seem to be produced by the alternative use of two different transcription initiation sites .
folded_tokens: conclusions : mzf-1 and mzf-2 mrnas seem to be produced by the alternative use of two different transcription initiation sites .
labels: O O O O O O O O O O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O