IL-4R are thought to be composed of the IL-4R alpha chain ( IL-4R alpha ) and either the IL-2R gamma chain or the IL-13R alpha chain .
il-4r are thought to be composed of the il-4r alpha chain ( il-4r alpha ) and either the il-2r gamma chain or the il-13r alpha chain .
B-protein_family_or_group O O O O O O O B-protein_subunit I-protein_subunit I-protein_subunit O B-protein_subunit I-protein_subunit O O O O B-protein_subunit I-protein_subunit I-protein_subunit O O B-protein_subunit I-protein_subunit I-protein_subunit O