tokens: Subnuclear fractionation reveals that there are two ATF1 isoforms which appear to differ with respect to DNA binding activity and partition selectively between nuclear matrix and nonmatrix compartments , consistent with the role of the nuclear matrix in regulating gene expression .
folded_tokens: subnuclear fractionation reveals that there are two atf1 isoforms which appear to differ with respect to dna binding activity and partition selectively between nuclear matrix and nonmatrix compartments , consistent with the role of the nuclear matrix in regulating gene expression .
labels: O O O O O O O B-protein_molecule O O O O O O O O O O O O O O O O O O O O O O O O O O O B-cell_component I-cell_component O O B-other_name I-other_name O