12959
Fragmentation was not observed in ICR27TK.3 cells containing mutant glucocorticoid receptors ( L753F ) that are activation-deficient but retain the ability to repress AP-1 activity .
 ( cell line: L753F, None) , ( protein: AP-1, None) , ( protein: mutant glucocorticoid receptors, None) , ( cell line: ICR27TK.3 cells, 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:
 ( cell line: L753F, None) , ( protein: AP-1, None) , ( protein: mutant glucocorticoid receptors, None) , ( cell line: ICR27TK.3 cells, None) 