10289
A sucrose gradient analysis indicated the simultaneous presence of two kinds of receptor complexes: the steroid-MR complex and the antibody-MR complex .
 ( protein: steroid-MR complex, None) , ( protein: antibody-MR complex, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: steroid-MR complex, None) , ( protein: antibody-MR complex, None) 