tokens: Biochemical studies demonstrate that OBF-1 has no intrinsic DNA-binding activity and recognizes the POU domains of Oct-1 and Oct-2 , but not those of Oct-4 and Oct-6 .
folded_tokens: biochemical studies demonstrate that obf-1 has no intrinsic dna-binding activity and recognizes the pou domains of oct-1 and oct-2 , but not those of oct-4 and oct-6 .
labels: O O O O B-protein_molecule O O O O O O O O B-protein_domain_or_region I-protein_domain_or_region O B-protein_molecule O B-protein_molecule O O O O O B-protein_molecule O B-protein_molecule O