11979
When expressed in the TNT System , squirrel monkey and human glucocorticoid receptors had similar, high affinity binding for dexamethasone (apparent Kd, 5.9 +/- 1.2 and 4.3 +/- 0.5 nmol/L, respectively; n = 3), whereas the squirrel monkey F774L receptor had lower affinity binding (apparent Kd, 20.4 +/- 2.0 nmol/L; n = 3).
 ( protein: glucocorticoid receptors, None) , ( protein: squirrel monkey F774L receptor, None) , ( protein: human glucocorticoid receptors, 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: glucocorticoid receptors, None) , ( protein: squirrel monkey F774L receptor, None) , ( protein: human glucocorticoid receptors, None) 