10865
Analysis of Gal4-Elf-1 fusion proteins revealed that the N-terminal 86 amino acids of Elf-1 contain a transcriptional activation domain , the activity of which is attenuated by an internal repression domain .
 ( protein: transcriptional activation domain, None) , ( protein: Elf-1, None) , ( protein: Gal4-Elf-1 fusion proteins, None) , ( protein: internal repression domain, 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: transcriptional activation domain, None) , ( protein: Elf-1, None) , ( protein: Gal4-Elf-1 fusion proteins, None) , ( protein: internal repression domain, None) 