tokens: Electrophoretic mobility shift ( EMS ) analyses utilizing oligonucleotides homologous to each of the 21 bp repeat elements reacted with nuclear extracts derived from cell lines of lymphocytic , monocytic , neuronal , and glial cell origin have demonstrated differential binding of cellular factors to the three 21 bp repeats ( 1-4 ) .
folded_tokens: electrophoretic mobility shift ( ems ) analyses utilizing oligonucleotides homologous to each of the 21 bp repeat elements reacted with nuclear extracts derived from cell lines of lymphocytic , monocytic , neuronal , and glial cell origin have demonstrated differential binding of cellular factors to the three 21 bp repeats ( 1-4 ) .
labels: B-other_name I-other_name I-other_name O B-other_name O O O B-polynucleotide O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O B-cell_line I-cell_line O O O O O O O O O O O O O O O O B-protein_family_or_group I-protein_family_or_group O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O