tokens: A transcript of the ALAS IRE , mutated in the conserved loop of the IRE , did not readily form this protein - RNA complex .
folded_tokens: a transcript of the alas ire , mutated in the conserved loop of the ire , did not readily form this protein - rna complex .
labels: O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O B-DNA_domain_or_region O O O O O O B-protein_complex I-protein_complex I-protein_complex I-protein_complex O