In extracts from nonstimulated cells the receptor is recovered in an inducible cytoplasmic form associated with the 90-kDa heat shock protein ( hsp90 ) , a molecular chaperone .
in extracts from nonstimulated cells the receptor is recovered in an inducible cytoplasmic form associated with the 90-kda heat shock protein ( hsp90 ) , a molecular chaperone .
O O O O O O O O O O O O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O B-protein_molecule O O O B-protein_family_or_group I-protein_family_or_group O