14243
Methylation interference analysis of the -65 region identified a pattern of contacts with nuclear factors resembling that for NF-Y , and an NF-Y -binding site and the proximal TSP 1 element cross-competed in gel-shift assays , whereas their binding mutants did not.
 ( DNA: -65 region, None) , ( protein: NF-Y, None) , ( DNA: NF-Y -binding site, None) , ( protein: NF-Y, None) , ( DNA: binding mutants, None) , ( protein: nuclear factors, None) , ( DNA: proximal TSP 1 element, 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: -65 region, None) , ( protein: NF-Y, None) , ( DNA: NF-Y -binding site, None) , ( protein: NF-Y, None) , ( DNA: binding mutants, None) , ( protein: nuclear factors, None) , ( DNA: proximal TSP 1 element, None) 