tokens: We have identified a novel gene , GR6 , located within the leukemia breakpoint region of 3q21 , that is normally expressed in early fetal development but not in adult peripheral blood .
folded_tokens: we have identified a novel gene , gr6 , located within the leukemia breakpoint region of 3q21 , that is normally expressed in early fetal development but not in adult peripheral blood .
labels: O O O O B-DNA_family_or_group I-DNA_family_or_group O B-DNA_domain_or_region O O O O B-other_name O O O B-DNA_domain_or_region O O O O O O B-other_name I-other_name I-other_name O O O B-tissue I-tissue I-tissue O