tokens: Newly translated STAT1 binds in equilibrium fashion to STAT2 and STAT3 , but we show that STAT2 and STAT3 exist in separate heterocomplexes with STAT1 , consistent with a model in which STAT1 contains a common binding site for other STAT proteins .
folded_tokens: newly translated stat1 binds in equilibrium fashion to stat2 and stat3 , but we show that stat2 and stat3 exist in separate heterocomplexes with stat1 , consistent with a model in which stat1 contains a common binding site for other stat proteins .
labels: O O B-protein_molecule O O O O O B-protein_molecule O B-protein_molecule O O O O O B-protein_molecule O B-protein_molecule O O O B-protein_complex O B-protein_molecule O O O O O O O B-protein_molecule O O O O O O O B-protein_family_or_group I-protein_family_or_group O