4677
Biochemical analysis of the region -158/-90 revealed a binding site for transcription factors of the polyomavirus enhancer-binding protein 2/core-binding factor (PEBP2/CBF) family at position -103 .
 ( DNA: -158/-90, None) , ( protein: transcription factors, None) , ( protein: polyomavirus enhancer-binding protein 2/core-binding factor (PEBP2/CBF) family, None) , ( DNA: position -103, 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: -158/-90, None) , ( protein: transcription factors, None) , ( protein: polyomavirus enhancer-binding protein 2/core-binding factor (PEBP2/CBF) family, None) , ( DNA: position -103, None) 