864
A DNA response element ( TR2RE-SV40 ) for the TR2 orphan receptor , a member of the steroid-thyroid hormone receptor superfamily , has been identified in the simian virus 40 ( SV40 ) +55 region ( nucleotide numbers 368-389 , 5'-GTTAAGGTTCGTAGGTCATGGA-3' ).
 ( DNA: TR2RE-SV40, None) , ( protein: TR2 orphan receptor, None) , ( protein: steroid-thyroid hormone receptor superfamily, None) , ( DNA: simian virus 40 ( SV40 ) +55 region, None) , ( DNA: DNA response element, None) , ( DNA: nucleotide numbers 368-389, 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:
 ( DNA: TR2RE-SV40, None) , ( protein: TR2 orphan receptor, None) , ( protein: steroid-thyroid hormone receptor superfamily, None) , ( DNA: simian virus 40 ( SV40 ) +55 region, None) , ( DNA: DNA response element, None) , ( DNA: nucleotide numbers 368-389, None) 