Jak 2 coprecipitated with the beta-subunit of the IL-5 receptor , suggesting a physical association of the kinase with the receptor .
jak 2 coprecipitated with the beta-subunit of the il-5 receptor , suggesting a physical association of the kinase with the receptor .
B-protein_family_or_group I-protein_family_or_group O O O O O O B-protein_molecule O O O O O O O O B-protein_family_or_group O O O O