8895
Sequence comparisons also predict other potential transcription factor binding sites as yet undescribed in mammalian IL2 promoters .
 ( DNA: mammalian IL2 promoters, None) , ( protein: IL2, 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: mammalian IL2 promoters, None) , ( protein: IL2, None) 