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Radiolabeled hormone/receptor complexes of nuclei isolated from cells exposed for 3 h to radiolabeled hormone --in contrast to identical experiments with intact cells--did not disappear from the nuclear compartment upon incubation of nuclei with identical concentrations of the unlabeled compound .
 protein: Radiolabeled hormone/receptor complexes
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: Radiolabeled hormone/receptor complexes