The nuclear factor STAT-1 ( p91 ) was investigated by immunoprecipitation followed by immunoblotting for tyrosine phosphorylation .
the nuclear factor stat-1 ( p91 ) was investigated by immunoprecipitation followed by immunoblotting for tyrosine phosphorylation .
O B-protein_molecule I-protein_molecule I-protein_molecule O B-protein_molecule O O O O B-other_name O O B-other_name O B-amino_acid_monomer O O