tokens: B cell lymphomas commonly display multiple somatic mutations clustering in the 5'-regulatory region of BCL-6 , a proto-oncogene encoding for a POZ/Zinc finger transcriptional repressor expressed in germinal center ( GC ) B cells and required for GC formation .
folded_tokens: b cell lymphomas commonly display multiple somatic mutations clustering in the 5'-regulatory region of bcl-6 , a proto-oncogene encoding for a poz/zinc finger transcriptional repressor expressed in germinal center ( gc ) b cells and required for gc formation .
labels: B-cell_type I-cell_type I-cell_type O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O B-protein_molecule O O B-DNA_family_or_group O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O B-cell_type I-cell_type I-cell_type I-cell_type I-cell_type I-cell_type I-cell_type O O O B-other_name I-other_name O