tokens: Electrophoretically purified p50 alone can form a protein-DNA complex , but in the mixture , p50 associates preferentially with p65 to form the NF-GM2 complex .
folded_tokens: electrophoretically purified p50 alone can form a protein-dna complex , but in the mixture , p50 associates preferentially with p65 to form the nf-gm2 complex .
labels: O O B-protein_subunit O O O O B-protein_complex I-protein_complex O O O O O O B-protein_subunit O O O B-protein_subunit O O O B-protein_complex I-protein_complex O