The involvement of Jak 2 was investigated by immunoprecipitation followed by immunoblotting for tyrosine phosphorylation .
the involvement of jak 2 was investigated by immunoprecipitation followed by immunoblotting for tyrosine phosphorylation .
O O O B-protein_family_or_group I-protein_family_or_group O O O B-other_name O O B-other_name O B-amino_acid_monomer O O